Patent US3476993A successfully refreshed from Google Patents.
US3476993A
Expired / Lapsed
US
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Five layer and junction bridging terminal switching device
Assignee: General Electric Co
•
Filing: 1959-09-08
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Granted: 1969-11-04
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Expires: 1979-09-08
Abstract
No abstract record available.
Inventors
- 👤 Richard W Aldrich
- 👤 Nick Holonyak Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:09
CPC Classifications
H; H10; H10D; H10D8/00; H10D8/80; H10D18/00; H10D18/80; H10D62/00; H10D62/10; H10D62/13; H10D62/141; H10D62/142; H10D62/148; H10P; H10P95/00; H10W; H10W20/00; H10W20/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2597028A
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US2561411A
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US2667607A
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US2725315A
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US2875505A
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US2913676A
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US2847623A
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US2918628A
Cited
US3015762A
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US3015048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |