US3029480A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seal structure
Assignee: General Dynamics Corp
•
Filing: 1959-07-22
•
Granted: 1962-04-17
•
Expires: 1979-07-22
Abstract
No abstract record available.
Inventors
- 👤 Frank J Signorelli
- 👤 Harold B Farrar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:45
CPC Classifications
B; B64; B64C; B64C1/00; B64C1/14; Y; Y10; Y10S; Y10S277/00; Y10S277/921; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377846A
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US1939004A
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US2051757A
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US2061145A
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US2182983A
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US2265693A
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US2428097A
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US2364234A
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GB631890A
Cited
US2435006A
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US2751643A
Cited
US2793406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |