US2683545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tail gate mechanism for dumping trucks
Assignee: LA Young Spring and Wire Corp
•
Filing: 1951-07-25
•
Granted: 1954-07-13
•
Expires: 1971-07-25
Abstract
No abstract record available.
Inventors
- 👤 Louis S Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:43
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/44; B60P1/4414; B60P1/04; B60P1/26; Y; Y10; Y10S; Y10S414/00; Y10S414/13
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) | 1957-07-12 | 1958-01-11 | 1958-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-12 | 1962-01-11 | 1962-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-12 | 1966-01-11 | 1966-07-13 | $7700.00 | Window Closed / Lapsed |