US2444009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ride control truck
Assignee: American Steel Foundries
•
Filing: 1944-05-15
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Granted: 1948-06-22
•
Expires: 1964-05-15
Abstract
No abstract record available.
Inventors
- 👤 Chester E Grigsby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:39
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/04; B61F5/12; B61F5/122
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2295550A
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US2348453A
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US2378229A
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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) | 1951-06-22 | 1951-12-22 | 1952-06-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-22 | 1955-12-22 | 1956-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-22 | 1959-12-22 | 1960-06-22 | $7700.00 | Window Closed / Lapsed |