Patent US2703431A successfully refreshed from Google Patents.
US2703431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Latch hinge
Assignee: Boeing Co
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Filing: 1953-01-12
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Granted: 1955-03-08
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Expires: 1973-01-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:23
CPC Classifications
E; E05; E05C; E05C19/00; E05C19/10; E05C19/12; E05C19/14; E05C19/145; B; B64; B64D; B64D29/00; B64D29/06; Y; Y10; Y10S; Y10S292/00; Y10S292/31; Y10S292/49; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0828; Y10T292/0911; Y10T292/0945; Y10T292/0946; Y10T292/0951; Y10T292/0959
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) | 1958-03-07 | 1958-09-06 | 1959-03-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-07 | 1962-09-06 | 1963-03-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-07 | 1966-09-06 | 1967-03-08 | $7700.00 | Window Closed / Lapsed |