Patent US2479992A successfully refreshed from Google Patents.
US2479992A
Expired / Lapsed
US
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Shear carrying fastener
Assignee: Beechcraft Corp
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Filing: 1948-02-07
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Granted: 1949-08-23
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Expires: 1968-02-07
Abstract
No abstract record available.
Inventors
- 👤 Warren G Woods
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:36
CPC Classifications
F; F16; F16B; F16B5/00; F16B5/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2095271A
Cited
US2239125A
Cited
US2378122A
Cited
US2368799A
Cited
US2315335A
Cited
US2385180A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-22 | 1953-02-21 | 1953-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-22 | 1957-02-21 | 1957-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-22 | 1961-02-21 | 1961-08-23 | $7700.00 | Window Closed / Lapsed |