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US2487701A
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US
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Mechanism for raising and lowering frames of boat trailers
Assignee: Individual
•
Filing: 1948-08-13
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Granted: 1949-11-08
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Expires: 1968-08-13
Abstract
No abstract record available.
Inventors
- 👤 Alfred J Getz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:38
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/10; B60P3/1033; Y; Y10; Y10S; Y10S414/00; Y10S414/126
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2227762A
Cited
US2453388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-07 | 1953-05-09 | 1953-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-07 | 1957-05-09 | 1957-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-07 | 1961-05-09 | 1961-11-08 | $7700.00 | Window Closed / Lapsed |