Resistance welding electrode
Latest The Nippert Company Patents:
Description
FIG. 1 is a bottom perspective view of a resistance welding electrode showing my new design;
FIG. 2 is a top perspective view thereof;
FIG. 3 is a top plan view thereof;
FIG. 4 is a bottom plan view thereof;
FIG. 5 is a side elevational view thereof;
FIG. 6 is a bottom perspective view of a second embodiment of my new design;
FIG. 7 is a top perspective view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is a bottom plan view thereof; and
FIG. 10 is a side elevational view thereof.
Referenced Cited
U.S. Patent Documents
Foreign Patent Documents
D269617 | July 5, 1983 | Nippert |
2138388 | November 1938 | Platz |
2250645 | July 1941 | Meadowcroft |
2409531 | October 1946 | Bennett |
2418781 | April 1947 | Lewis |
2440463 | April 1948 | Cornwall |
2468647 | April 1949 | Watter |
2502876 | April 1950 | Mullen |
2761953 | September 1956 | Kerr |
2780718 | February 1957 | Mullen |
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493946 | June 1950 | BEX |
54636 | May 1977 | JPX |
Patent History
Patent number: D290807
Type: Grant
Filed: Aug 13, 1984
Date of Patent: Jul 14, 1987
Assignee: The Nippert Company (Delaware, OH)
Inventor: Russell A. Nippert (Columbus, OH)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Killworth, Gottman, Hagan & Schaeff
Application Number: 6/640,282
Type: Grant
Filed: Aug 13, 1984
Date of Patent: Jul 14, 1987
Assignee: The Nippert Company (Delaware, OH)
Inventor: Russell A. Nippert (Columbus, OH)
Primary Examiner: Susan J. Lucas
Assistant Examiner: C. E. Heflin
Law Firm: Killworth, Gottman, Hagan & Schaeff
Application Number: 6/640,282
Classifications
Current U.S. Class:
D 8/30;
Heat Treatment, Welding Or Brazing (D15/144)