US2564446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rear flap operator for convertible tops
Assignee: Individual
•
Filing: 1948-09-29
•
Granted: 1951-08-14
•
Expires: 1968-09-29
Abstract
No abstract record available.
Inventors
- 👤 John B Parsons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:19
CPC Classifications
B; B60; B60J; B60J1/00; B60J1/18; B60J1/1807; B60J1/1823
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2371183A
Cited
US709913A
Cited
GB190614956A
Cited
GB250452A
Cited
US1894527A
Cited
US2002596A
Cited
US2346387A
Cited
US2436728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-08-13 | 1955-02-12 | 1955-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-08-13 | 1959-02-12 | 1959-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-08-13 | 1963-02-12 | 1963-08-14 | $7700.00 | Window Closed / Lapsed |