Patent US2549153A successfully refreshed from Google Patents.
US2549153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Folding top for automobiles
Assignee: Individual
•
Filing: 1946-05-01
•
Granted: 1951-04-17
•
Expires: 1966-05-01
Abstract
No abstract record available.
Inventors
- 👤 John W J Ackermans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:30
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/08; B60J7/12; B60J7/1226; B60J7/1234; B60J7/1265; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18888
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-16 | 1954-10-16 | 1955-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-16 | 1958-10-16 | 1959-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-16 | 1962-10-16 | 1963-04-17 | $7700.00 | Window Closed / Lapsed |