Patent EP0391871A2 successfully refreshed from Google Patents.
US3155804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mercury amalgam electrical contacts
Assignee: Solid State Systems Inc
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Filing: 1962-03-26
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Granted: 1964-11-03
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Expires: 1982-03-26
Abstract
No abstract record available.
Inventors
- 👤 Gewirtz Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 17:08
CPC Classifications
H; H01; H01H; H01H1/00; H01H1/06; H01H1/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
9 words
AN ELECTRICAL CONTACT MADE OF A 60/40 MERCURY/SILVER AMALGAM.
Claim 2
Dependent Claim
9 words
AN ELECTRICAL CONTACT MADE OF A 60/40 MERCURY/SILVER AMALGAM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |