US2698103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck tail gate structure
Assignee: HAMPTON ENGINEERING Co
•
Filing: 1952-05-26
•
Granted: 1954-12-28
•
Expires: 1972-05-26
Abstract
No abstract record available.
Inventors
- 👤 Carl A Rostine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 20:06
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/44; B60P1/4414; B60P1/4421
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1280090A
Cited
US1967482A
Cited
US1826513A
Cited
US2236317A
Cited
US2405054A
Cited
US2527818A
Cited
US2553156A
Cited
US2540569A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-12-27 | 1958-06-28 | 1958-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-12-27 | 1962-06-28 | 1962-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-12-27 | 1966-06-28 | 1966-12-28 | $7700.00 | Window Closed / Lapsed |