Patent US2621359A successfully refreshed from Google Patents.
US2621359A
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US
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Hinge construction
Assignee: Curtiss Wright Corp
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Filing: 1945-09-15
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Granted: 1952-12-16
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Expires: 1965-09-15
Abstract
No abstract record available.
Inventors
- 👤 Joe R Schuyler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:53
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06; E05D3/12; E05D3/125; E05D3/127; E05D11/00; E05D11/10; E05D11/1007; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/502; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-16 | 1956-06-16 | 1956-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-16 | 1960-06-16 | 1960-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-16 | 1964-06-16 | 1964-12-16 | $7700.00 | Window Closed / Lapsed |