US2491044A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Truck frame extension
Assignee: Individual
•
Filing: 1946-08-31
•
Granted: 1949-12-13
•
Expires: 1966-08-31
Abstract
No abstract record available.
Inventors
- 👤 James C Holland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:55
CPC Classifications
B; B62; B62D; B62D21/00; B62D21/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US107710A
Cited
US1720796A
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US1122805A
Cited
US1210056A
Cited
US1710122A
Cited
US1832932A
Cited
US2248080A
Cited
US2337615A
Cited
US2377959A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-12-12 | 1953-06-13 | 1953-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-12-12 | 1957-06-13 | 1957-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-12-12 | 1961-06-13 | 1961-12-13 | $7700.00 | Window Closed / Lapsed |