US2820554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tail gate lift for a vehicle
Assignee: VEN CORP
•
Filing: 1956-02-10
•
Granted: 1958-01-21
•
Expires: 1976-02-10
Abstract
No abstract record available.
Inventors
- 👤 William K Vogel
- 👤 Milton C Vogel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:06
CPC Classifications
B; B60; B60P; B60P1/00; B60P1/44; B60P1/4414
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US965009A
Cited
US1545302A
Cited
US2298166A
Cited
US2391813A
Cited
US2527818A
Cited
US2725152A
Cited
US2743618A
Cited
US2792135A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-01-20 | 1961-07-22 | 1962-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-01-20 | 1965-07-22 | 1966-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-01-20 | 1969-07-22 | 1970-01-21 | $7700.00 | Window Closed / Lapsed |