US2965412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extensible automobile trailer
Assignee: Individual
•
Filing: 1957-03-04
•
Granted: 1960-12-20
•
Expires: 1977-03-04
Abstract
No abstract record available.
Inventors
- 👤 Henderson Robert
- 👤 Tracey Bovey
- 👤 Lindenberg Bernard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:29
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/32; B60P3/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1964894A
Cited
US2177394A
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US2494680A
Cited
US2581192A
Cited
US2675277A
Cited
US2704223A
Cited
FR1065286A
Cited
GB725918A
Cited
US2744781A
Cited
FR1107260A
Cited
US2801878A
Cited
US2842972A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |