Patent US2867435A successfully refreshed from Google Patents.
US2867435A
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US
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Recorder
Assignee: General Dynamics Corp
•
Filing: 1953-09-03
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Granted: 1959-01-06
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Expires: 1973-09-03
Abstract
No abstract record available.
Inventors
- 👤 Howard S Gleason
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:46
CPC Classifications
H; H04; H04M; H04M15/00; H04M15/38
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1964031A
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US2451365A
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US2507385A
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US2548981A
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US2530961A
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US2677540A
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US2560234A
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US2590665A
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US2679394A
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US2644690A
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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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |