US2996313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawbar hinge for truck trailers and the like
Assignee: Western Unit Corp
•
Filing: 1959-10-19
•
Granted: 1961-08-15
•
Expires: 1979-10-19
Abstract
No abstract record available.
Inventors
- 👤 Henry C Harbers
- 👤 Buck C Hamlet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:31
CPC Classifications
B; B60; B60D; B60D1/00; B60D1/48; B60D1/50; Y; Y10; Y10T; Y10T403/00; Y10T403/45; Y10T403/455; Y10T403/456
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1804958A
Cited
US1940302A
Cited
US1959256A
Cited
FR748096A
Cited
US2067794A
Cited
US2428950A
Cited
US2467530A
Cited
US2723870A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-08-14 | 1965-02-13 | 1965-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-08-14 | 1969-02-13 | 1969-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-08-14 | 1973-02-13 | 1973-08-15 | $7700.00 | Window Closed / Lapsed |