Patent EP0301934A1 successfully refreshed from Google Patents.
Patent US5031245B1 successfully refreshed from Google Patents.
US2322933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automobile door hinge
Assignee: Atwood Vacuum Machine Co
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Filing: 1941-03-10
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Granted: 1943-06-29
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Expires: 1961-03-10
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Harmon
- 👤 George H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:25
CPC Classifications
E; E05; E05F; E05F1/00; E05F1/08; E05F1/10; E05F1/12; E05F1/1284; E05Y; E05Y2900/00; E05Y2900/50; E05Y2900/53; E05Y2900/531
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-06-28 | 1946-12-28 | 1947-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-06-28 | 1950-12-28 | 1951-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-06-28 | 1954-12-28 | 1955-06-29 | $7700.00 | Window Closed / Lapsed |