Patent US4652263A successfully refreshed from Google Patents.
US2941611A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Towing tractor for airplanes
Assignee: Paccar Inc
•
Filing: 1957-11-14
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Granted: 1960-06-21
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Expires: 1977-11-14
Abstract
No abstract record available.
Inventors
- 👤 Robert C Norrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:58
CPC Classifications
B; B60; B60K; B60K17/00; B60K17/34; B64; B64F; B64F1/00; B64F1/22; B64F1/223; B64F1/225; B64F1/227; Y; Y10; Y10S; Y10S180/00; Y10S180/904
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-21 | 1963-12-21 | 1964-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-21 | 1967-12-21 | 1968-06-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-21 | 1971-12-21 | 1972-06-21 | $7700.00 | Window Closed / Lapsed |