U.S. patent number D293,798 [Application Number 06/692,520] was granted by the patent office on 1988-01-19 for tool for holding round thread dies. Invention is credited to Herbert Johnson.
United States Patent | D293,798 |
Johnson | January 19, 1988 |
Inventors: | Johnson; Herbert (Richfield, MN) |
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Appl. No.: | 06/692,520 |
Filed: | January 18, 1985 |
Current U.S. Class: | D15/140 |
Field of Search: | ;D8/71,25,29 ;279/1A,1N,9R,46R ;72/462-463,467,479,481 ;81/44 ;407/33 ;408/146,238 ;29/DIG.74 |
D271112 | October 1983 | Wiatt et al. |
D278344 | April 1985 | Smith |
1155211 | September 1915 | Carpenter |
1160042 | November 1915 | Carpenter |
2231252 | February 1941 | Chesterman |
2345462 | March 1944 | Coughlin |
2361683 | October 1944 | Greenberg |
2725558 | December 1955 | Munson |
3405949 | October 1968 | Cox |
Penn Tool Co. Cat. 1982, p. 118, bottom of page Die Holder.. |
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