US2858030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction shock absorbing mechanisms
Assignee: W H MINER Inc
•
Filing: 1953-06-08
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Granted: 1958-10-28
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Expires: 1973-06-08
Abstract
No abstract record available.
Inventors
- 👤 Harry W Mulcahy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 02:25
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/12; B61G9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1828063A
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FR762631A
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US2165383A
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US2486741A
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US2559743A
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US2598762A
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US2649213A
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US2640603A
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US2588488A
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US2713485A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-10-27 | 1962-04-28 | 1962-10-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-27 | 1966-04-28 | 1966-10-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-27 | 1970-04-28 | 1970-10-28 | $7700.00 | Window Closed / Lapsed |