This page lists significant patents in the
history of shaving
. When adding new patent groups, please place them in temporal order by the earliest filing date.
If you are new to collecting
, be sure to avoid the common pitfall of confusing
dates. See also:
Number Filed Issued Authors Notes US775134 1901-12-03 1904-11-15 Gillette, King C. The father of all DE razor patents, originally filed in 1899-08 and approved - but not issued - 1901-06-28. US775135 1901-12-03 1904-11-15 Gillette, King C. Split from original 1899 patent application.
GB190228763 1902-12-02 1903-10-15 Gillette, King C. GB190228763, originally filed as 28763.02.
FR327815 1902-12-30 1903-07-03 Gillette, King C. FR327815A, application FRD327815, priority FRT327815. PDF.
DE162438C 1902-12-31 1905-11-13 Gillette, King C. " DRP No 162438" appears on later cases. Original document available here. Application DED162438.
US812442 1903-09-26 1906-02-13 Nickerson, William E. Covers hardening process with alternating blades and copper blanks in a stack.
US1129112 1906-02-16 1915-02-23 Nickerson, William E. Covers blade hardening process.
Williams Shave Stick
Including the Holder Top and other shave stick holders.
Number Filed Issued Authors Notes US1006420 1910-12-27 1911-10-17 Williams, Philip K. Original Holder Top design.
US1018949 1910-12-27 1912-02-27 Williams, Philip K. Divided from US1006420. Not listed on later packages?
US1175182 1914-11-09 1916-03-14 Schreidt, Frank Best candidate for "3-14-16" cited by http://www.basquemuseum.com/content/2004-026-006.
US1194427 1914-10-28 1916-08-15 Riesenberg, Felix Double-cap holder, not assigned to Williams.
US1257436 1916-03-17 1918-02-26 Williams, Philip K. Improved design with retaining ring and shaped soap stick.
US1331549 1919-03-20 1920-02-24 Williams, Philip K. Double-cap holder.
Colgate Shave Stick
Including the Handy Grip and other shave stick holders.
Number Filed Issued Authors Notes US1166436 1915-04-10 1916-01-04 Colgate, Henry A. Threaded holder top with split ring receiver.
US1238744 1917-04-24 1917-09-04 Colgate, Henry A. Threaded holder top.
US1654693 1924-10-06 1928-01-03 Matthews, Ralph G. Similar to a turnback brush, the tube attaches to the cap to form a long handle.
Number Filed Issued Authors Notes US1328024 1917-02-03 1920-01-13 Wharton, Edward R.
See below for patents which also appeared on NEW razors.
Number Filed Issued Authors Notes US1633739 1922-11-21 1927-06-28 Gaisman, H.J. This patent was central to a lawsuit Gillette v Essex, and was ultimately held invalid by the Supreme Court of the USA.
US1639335 1924-06-24 1927-08-16 Gaisman, H.J. Covered the VALET cutout in Auto Strop blades, as a positioning mechanism.
Was it a Gillette? Or a Gaisman?
Number Filed Issued Authors Notes US1658435 1923-10-06 1928-02-07 Gaisman, H.J. "REISSUE PAT. NO. 17567" (US0RE017567), originally for Auto Strop as part of development of the Probak razor and blade brand. This covered the studs used by the Probak and Goodwill razors, and the rails used by the NEW. Reissue application 19 Nov 1929, reissued 14 Jan 1930.
US1815745 1929-04-25 1931-07-21 Thompson, Ralph "PAT. NO. 1815745", for the reinforced corners of the NEW cap. Refiled 3 Dec 1930.
US1858316 1930-07-30 1932-05-17 Thompson, Ralph "PAT. NO. 1858316", for blade modifications to accommodate the reinforced corners of the NEW cap.
The first Gillette TTO
Number Filed Issued Authors Notes US1956175 1933-08-02 1934-04-24 Muros, Joseph
USRE18955 1932-06-22 1933-09-19 Muros, Joseph
US1912461 1932-01-19 1933-06-06 Muros, Joseph
US1918227 1932-07-30 1933-07-11 Muros, Joseph
US1919794 1932-06-07 1933-07-25 Grosvenor, D. Marcy
US1922072 1930-11-28 1933-08-15 Baudis, Adolph
US1928364 1932-05-07 1933-09-26 Testi, Nicholas
Gillette Numbered Sets - Made in England
Number Filed Issued Authors Notes GB400621 1932-04-26 1933-10-26 GB400621 for sets 1, 2, 3, 4, 15, 19, 20, 46, 47.
GB430030 1933-12-12 1935-06-12 GB430030 for sets 15, 16, 21, 48, 53.
GB694093 1948-12-10 1953-07-15 GB694093 for sets 58, 66.
Early Coated Blades
Number Filed Issued Authors Notes US2937976 1959-06-22 1960-05-24 Granaham, Leon E.; Schnitzler, Meyer J.; Tuckerman, Edward M. Organosiloxane gel coating for blades, used on Super Blue from filing date and Thin blades as late as 1968.
Gillette Super Stainless "The Spoiler"
Number Filed Issued Authors Notes US2544410 1947-06-06 1951-03-06 Young, Louis H. Appears on blade packs until ca. 1968.
US2664999 1948-07-08 1954-01-05 Young, Louis H. Appears on blade packs until ca. 1971.
US2671555 1949-12-15 1954-03-09 Shnitzler, Meyer J. Appears on blade packs until ca. 1971.
US2692672 1948-10-15 1954-10-26 Benedict, Michael Douglas Jr et. al. Appears on blade packs until ca. 1971.
US3071856 1959-12-31 1963-01-08 Fischbein, Irwin W. For the PTFE coating process. Also appears on Blue, Super Blue, and Platinum Plus blades, and some Wilkinson blades. Equivalent to GB906005A applied for 1960-12-22 granted 1962-09-19.
US3518110 1964-07-23 1970-06-30 Fischbein, Irwin W. Appeared on later Spoiler blades, improving on the coating process.
Schick DE Blades and Packaging
Number Filed Issued Authors Notes US3093266 1959-10-14 1963-06-11 Kuhnl, Leopold Karl Early version of classic Schick DE blade dispenser, with thumb plunger. Appeared on Schick Stainless Steel "Stainless Krona Edges", 10 blades.
US3126091 1962-03-22 1964-03-24 Kuhnl, Leopold Karl Design of classic Schick DE blade dispenser. Appeared on Schick Plus Platinum (I-11): blue top, yellow lettering, 15 blades.
US3203829 1962-09-25 1965-08-31 Seyer, Frank H. Improved PTFE coating process, using a reducing atmosphere of hydrogen and nitrogen. Appeared on Schick Super Krona Comfort Edge (P-15), 5 blades.
US3632494 1967-11-06 1972-01-04 Herte, Lawrence F. RF plasma sputter-coating apparatus, for applying chromium coatings. No mention of platinum. Appeared on Schick Plus Platinum (I-11): blue top, yellow lettering, 15 blades.
This page has been seen 3,411 times.