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US2981808A
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Assignee: General Electric Co
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Filing: 1958-07-08
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Granted: 1961-04-25
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Expires: 1978-07-08
Abstract
No abstract record available.
Inventors
- 👤 Keith W Klein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 00:38
CPC Classifications
G; G04; G04F; G04F3/00; G04F3/06; H; H01; H01H; H01H43/00; H01H43/10; H01H43/106; H01H2043/107
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1986499A
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US2274635A
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US2444748A
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US2421986A
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US2512775A
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US2525463A
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US2768332A
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US2752592A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |