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US2429672A
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Railway car end buffer shock absorber
Assignee: W H MINER Inc
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Filing: 1944-12-04
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Granted: 1947-10-28
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Expires: 1964-12-04
Abstract
No abstract record available.
Inventors
- 👤 George E Dath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:59
CPC Classifications
B; B61; B61G; B61G11/00; B61G11/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1872881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-10-27 | 1951-04-28 | 1951-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-10-27 | 1955-04-28 | 1955-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-10-27 | 1959-04-28 | 1959-10-28 | $7700.00 | Window Closed / Lapsed |