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US2940669A
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Assignee: General Electric Co
•
Filing: 1954-03-10
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Granted: 1960-06-14
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Expires: 1974-03-10
Abstract
No abstract record available.
Inventors
- 👤 George W Hobbs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:09
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/02; H03M7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2092412A
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US2411540A
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US2444042A
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US2792987A
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US2657856A
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US2575916A
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US2729811A
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US2590950A
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US2636133A
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US2685039A
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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) | 1963-06-14 | 1963-12-14 | 1964-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-14 | 1967-12-14 | 1968-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-14 | 1971-12-14 | 1972-06-14 | $7700.00 | Window Closed / Lapsed |