US2661234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sliding roof for vehicles
Assignee: Individual
•
Filing: 1950-10-14
•
Granted: 1953-12-01
•
Expires: 1970-10-14
Abstract
No abstract record available.
Inventors
- 👤 Bishop William Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:38
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/185; B60J7/19; B60J7/192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1899857A
Cited
GB436458A
Cited
GB473477A
Cited
US2272535A
Cited
GB503407A
Cited
GB518741A
Cited
US2338309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-11-30 | 1957-06-01 | 1957-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-11-30 | 1961-06-01 | 1961-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-11-30 | 1965-06-01 | 1965-12-01 | $7700.00 | Window Closed / Lapsed |