US2586648A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Locking mechanism for folding tops
Assignee: Detroit Harvester Co
•
Filing: 1948-11-12
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Granted: 1952-02-19
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Expires: 1968-11-12
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Hale
- 👤 William L Mckenna
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:20
CPC Classifications
B; B60; B60J; B60J7/00; B60J7/185; B60J7/1851; B60J7/1853; Y; Y10; Y10S; Y10S292/00; Y10S292/05; Y10T; Y10T292/00; Y10T292/08; Y10T292/0801; Y10T292/0825; Y10T292/0826; Y10T292/0828; Y10T292/1039
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB323065A
Cited
DE691066C
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US2155275A
Cited
GB528303A
Cited
US2201330A
Cited
US2305715A
Cited
US2360524A
Cited
USRE23007E
Cited
US2486905A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-18 | 1955-08-20 | 1956-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-18 | 1959-08-20 | 1960-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-18 | 1963-08-20 | 1964-02-19 | $7700.00 | Window Closed / Lapsed |