US2667844A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Snubbed truck
Assignee: American Steel Foundries
•
Filing: 1950-03-09
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Granted: 1954-02-02
•
Expires: 1970-03-09
Abstract
No abstract record available.
Inventors
- 👤 Lawrence F Ramos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:57
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)
US2306392A
Cited
US2365199A
Cited
US2367510A
Cited
US2395967A
Cited
US2413458A
Cited
US2483172A
Cited
US2483181A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |