Patent US2773278A successfully refreshed from Google Patents.
US2773278A
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Automobile door hinge embodying hold-open means
Assignee: Atwood Vacuum Machine Co
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Filing: 1952-05-10
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Granted: 1956-12-11
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Expires: 1972-05-10
Abstract
No abstract record available.
Inventors
- 👤 Seth B Atwood
- 👤 Johnson Agnar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:49
CPC Classifications
E; E05; E05C; E05C17/00; E05C17/02; E05C17/04; E05C17/12; E05C17/16; Y; Y10; Y10T; Y10T292/00; Y10T292/28; Y10T292/301
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1042936A
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US1521134A
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US2095866A
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US2290331A
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US2218372A
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US2441600A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |