US3158725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Weldable electric contact with readily discernable improved welding face
Assignee: Stackpole Carbon Co
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Filing: 1962-12-26
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Granted: 1964-11-24
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Expires: 1982-12-26
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Schutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:30
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02; H01H1/021; H01H1/023; H01H1/0231
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A WELDABLE ELECTRIC CONTACT COMPRISING A BODY HAVING A SILVER-COLORED FACE AND A BACK, AND A LAYER OF SILVER SOLDER CONTAINING COPPER UNITED WITH SAID BACK AND HAVING A COPPER-FILM WELDING FACE PROVIDING A MORE WETTABLE AND FLOWABLE SURFACE FOR THE WELDING OPERATION, SAID FACES ALSO BEING CLEARLY DISTINGUISHABLE FROM EACH OTHER ONLY BY THEIR COLORS, WHEREBY THE WELDABLE SIDE OF THE CONTACT IS READILY DISCERNABLE.
Claim 2
Dependent Claim
66 words
A WELDABLE ELECTRIC CONTACT COMPRISING A BODY HAVING A SILVER-COLORED FACE AND A BACK, AND A LAYER OF SILVER SOLDER CONTAINING COPPER UNITED WITH SAID BACK AND HAVING A COPPER-FILM WELDING FACE PROVIDING A MORE WETTABLE AND FLOWABLE SURFACE FOR THE WELDING OPERATION, SAID FACES ALSO BEING CLEARLY DISTINGUISHABLE FROM EACH OTHER ONLY BY THEIR COLORS, WHEREBY THE WELDABLE SIDE OF THE CONTACT IS READILY DISCERNABLE.
References Cited (Backward Citations)
US3078562A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-24 | 1968-05-25 | 1968-11-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-24 | 1972-05-25 | 1972-11-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-24 | 1976-05-25 | 1976-11-24 | $7700.00 | Window Closed / Lapsed |