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US2752012A
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Slack adjuster for air brakes
Assignee: LOCOMOTIVE FINISHED MATERIAL C
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Filing: 1952-02-13
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Granted: 1956-06-26
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Expires: 1972-02-13
Abstract
No abstract record available.
Inventors
- 👤 Moorhead Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:40
CPC Classifications
B; B61; B61H; B61H15/00; B61H15/0007; B61H15/0014; B61H15/0021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US533485A
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US696523A
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US704508A
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US914024A
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US1749018A
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US1738395A
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US2648408A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-26 | 1959-12-26 | 1960-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-26 | 1963-12-26 | 1964-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-26 | 1967-12-26 | 1968-06-26 | $7700.00 | Window Closed / Lapsed |