US2874647A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lateral movement control
Assignee: Pullman-Standard Car Manufacturing Co
•
Filing: 1956-03-16
•
Granted: 1959-02-24
•
Expires: 1976-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr James E Candlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:32
CPC Classifications
B; B61; B61F; B61F5/00; B61F5/02; B61F5/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US36498A
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US2056106A
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US2115072A
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US2180860A
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US2427927A
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US2537637A
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US2773686A
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US2596031A
Cited
US2633811A
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US2758549A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |