Patent US2927985A successfully refreshed from Google Patents.
US2927985A
Expired / Lapsed
US
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Printed circuit relays
Assignee: Royal Mcbee Corp
•
Filing: 1957-12-09
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Granted: 1960-03-08
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Expires: 1977-12-09
Abstract
No abstract record available.
Inventors
- 👤 George D Rivers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:46
CPC Classifications
H; H01; H01H; H01H50/00; H01H50/16; H01H50/18; H01H50/20; H01H1/00; H01H1/12; H01H1/36; H01H1/40; H01H1/403
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1393822A
Cited
US1993416A
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US1981987A
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US1956422A
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US2136612A
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US2616994A
Cited
US2649513A
Cited
US2776348A
Cited
US2870274A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-08 | 1963-09-07 | 1964-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-08 | 1967-09-07 | 1968-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-08 | 1971-09-07 | 1972-03-08 | $7700.00 | Window Closed / Lapsed |