US2707799A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torsion bar hinge assembly
Assignee: Old Carco LLC
•
Filing: 1950-05-13
•
Granted: 1955-05-10
•
Expires: 1970-05-13
Abstract
No abstract record available.
Inventors
- 👤 John P Butterfield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:34
CPC Classifications
E; E05; E05D; E05D3/00; E05D3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US251591A
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US641553A
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US761057A
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US808126A
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US781208A
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FR829162A
Cited
US2188891A
Cited
US2235984A
Cited
US2308759A
Cited
US2602957A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |