US2020270A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vehicle holddown device
Assignee: New York Central Railroad Co
•
Filing: 1934-01-19
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Granted: 1935-11-05
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Expires: 1954-01-19
Abstract
No abstract record available.
Inventors
- 👤 John S Wilson
- 👤 Clark W Millspaugh
- 👤 Edwin G Overmire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:00
CPC Classifications
B; B60; B60P; B60P3/00; B60P3/06; B60P3/07; B60P3/073; B60P3/075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1938-11-04 | 1939-05-06 | 1939-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-11-04 | 1943-05-06 | 1943-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-11-04 | 1947-05-06 | 1947-11-05 | $7700.00 | Window Closed / Lapsed |