Patent US2827972A successfully refreshed from Google Patents.
US2827972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Load carrying vehicle and track
Assignee: Individual
•
Filing: 1955-09-23
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Granted: 1958-03-25
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Expires: 1975-09-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur B West
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 23:00
CPC Classifications
B; B62; B62D; B62D55/00; B62D55/08; B62D55/18; B62D55/24; B62D11/00; B62D11/20; B62D51/00; B62D51/007; B62D55/06; B62D55/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1711601A
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US1722531A
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US1862329A
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US2087396A
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US2239122A
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US2440518A
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US2519745A
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US2621085A
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US2581587A
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US2668408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |