US2901804A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: North American Aviation Corp
•
Filing: 1954-01-04
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Granted: 1959-09-01
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Expires: 1974-01-04
Abstract
No abstract record available.
Inventors
- 👤 William T Williams
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:38
CPC Classifications
F; F16; F16B; F16B21/00; F16B21/10; F16B21/16; F16B21/165; F16B5/00; F16B5/02; F16B5/0208; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18176; Y10T74/18182
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US589813A
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US1069451A
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US1106159A
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US1456555A
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GB542028A
Cited
GB553956A
Cited
US2472651A
Cited
US2477178A
Cited
US2422304A
Cited
US2373083A
Cited
US2480662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |