Patent US6758851B2 successfully refreshed from Google Patents.
US2631517A
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Assignee: Old Carco LLC
•
Filing: 1949-08-13
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Granted: 1953-03-17
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Expires: 1969-08-13
Abstract
No abstract record available.
Inventors
- 👤 Jens W Duhn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:01
CPC Classifications
B; B60; B60H; B60H1/00; B60H1/00642; B60H1/00664; B60H1/00671; B60H1/00678; B60H1/00007; B60H1/00021; B60H1/00035; B60H1/00042; B60H1/00207; B60H2001/00214; B60H2001/007; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86919
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1988945A
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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) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |