Patent US4014317A successfully refreshed from Google Patents.
US2680174A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric switch contact
Assignee: General Electric Co
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Filing: 1953-03-16
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Granted: 1954-06-01
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Expires: 1973-03-16
Abstract
No abstract record available.
Inventors
- 👤 Robert T Foley
- 👤 Orin P Mccarty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:23
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
AN ELECTRICAL CONTACT COMPRISING A CONDUCTING BASE, A FUSED TIN COATING ON SAID BASE AND AN OXIDIZED TIN LAYER ON SAID FUSED TIN COATING.
References Cited (Backward Citations)
US2547658A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |