US2754149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Convertible automobile top with telescoping sections
Assignee: Individual
•
Filing: 1953-03-11
•
Granted: 1956-07-10
•
Expires: 1973-03-11
Abstract
No abstract record available.
Inventors
- 👤 John R Mcgrath
- 👤 Frank P Blair
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:27
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/02; B60J7/04; B60J7/047; B60J7/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US337831A
Cited
US1903741A
Cited
GB223789A
Cited
FR625871A
Cited
US1873990A
Cited
GB291829A
Cited
GB349172A
Cited
US2623779A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-07-10 | 1960-01-09 | 1960-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-07-10 | 1964-01-09 | 1964-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-07-10 | 1968-01-09 | 1968-07-10 | $7700.00 | Window Closed / Lapsed |