US2461577A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible trailer
Assignee: Individual
•
Filing: 1945-02-06
•
Granted: 1949-02-15
•
Expires: 1965-02-06
Abstract
No abstract record available.
Inventors
- 👤 Jr John H Stark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:58
CPC Classifications
B; B62; B62D; B62D63/00; B62D63/06; B62D63/061; B62D53/00; B62D53/04; B62D53/06; B62D53/067
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US357566A
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US1075372A
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US1106104A
Cited
DE329870C
Cited
US1467195A
Cited
GB223802A
Cited
DE429899C
Cited
US2080709A
Cited
US2346130A
Cited
US2382376A
Cited
US2413404A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-02-15 | 1952-08-16 | 1953-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-02-15 | 1956-08-16 | 1957-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-02-15 | 1960-08-16 | 1961-02-15 | $7700.00 | Window Closed / Lapsed |