US2797106A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dirigible wheel support for tractor hauled trailers
Assignee: Individual
•
Filing: 1954-02-08
•
Granted: 1957-06-25
•
Expires: 1974-02-08
Abstract
No abstract record available.
Inventors
- 👤 Orville W Lorr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:45
CPC Classifications
B; B62; B62D; B62D13/00; B62D13/02; B62D13/025
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1480279A
Cited
FR608521A
Cited
US1868912A
Cited
US2233116A
Cited
US2342697A
Cited
US2325609A
Cited
US2433268A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-06-24 | 1960-12-24 | 1961-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-24 | 1964-12-24 | 1965-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-24 | 1968-12-24 | 1969-06-25 | $7700.00 | Window Closed / Lapsed |