US2773703A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Quickly detachable wheeled tow bar
Assignee: Northrop Grumman Corp
•
Filing: 1954-02-05
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Granted: 1956-12-11
•
Expires: 1974-02-05
Abstract
No abstract record available.
Inventors
- 👤 Ferguson Lachlan Grant
- 👤 Jr Carmine G Montanaro
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:36
CPC Classifications
B; B64; B64F; B64F1/00; B64F1/22; B64F1/223; B64F1/224; Y; Y10; Y10S; Y10S180/00; Y10S180/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2216553A
Cited
US2204116A
Cited
US2287955A
Cited
US2340273A
Cited
US2391608A
Cited
US2468669A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-11 | 1960-06-11 | 1960-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-11 | 1964-06-11 | 1964-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-11 | 1968-06-11 | 1968-12-11 | $7700.00 | Window Closed / Lapsed |