US2543154A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sleeve journal for railway equipment
Assignee: American Brake Shoe Co
•
Filing: 1949-01-28
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Granted: 1951-02-27
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Expires: 1969-01-28
Abstract
No abstract record available.
Inventors
- 👤 Cox Isaac Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:58
CPC Classifications
B; B61; B61F; B61F15/00; B61F15/02; B61F15/06; F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C35/00; F16C35/02; F16C17/00; F16C17/10; F16C2226/00; F16C2226/50; F16C2226/60; F16C2326/00; F16C2326/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1389965A
Cited
US2018055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-02-26 | 1954-08-28 | 1955-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-02-26 | 1958-08-28 | 1959-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-02-26 | 1962-08-28 | 1963-02-27 | $7700.00 | Window Closed / Lapsed |