US2907418A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High shear strength fastener
Assignee: Douglas Aircraft Co Inc
•
Filing: 1954-01-19
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Granted: 1959-10-06
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Expires: 1974-01-19
Abstract
No abstract record available.
Inventors
- 👤 George A Hudson
- 👤 Bombard Emerson H La
- 👤 Swanson Oscar Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
F; F16; F16B; F16B37/00; F16B41/00; F16B41/002; F16B5/00; F16B5/02; F16B5/0208; F16B5/10; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/971
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US363074A
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US2210048A
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US2123068A
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US2486411A
Cited
US2442064A
Cited
US2396142A
Cited
US2384729A
Cited
US2571641A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |