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Patent US2687219A successfully refreshed from Google Patents.
US2687219A
Expired / Lapsed
US
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Combined rubber and friction shock absorbing mechanism
Assignee: W H MINER Inc
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Filing: 1951-07-31
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Granted: 1954-08-24
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Expires: 1971-07-31
Abstract
No abstract record available.
Inventors
- 👤 Vernon S Danielson
- 👤 William D Wallace
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:34
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2141680A
Cited
US2451569A
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US2431736A
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US2429672A
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US2423877A
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US2458572A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-08-23 | 1958-02-22 | 1958-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-08-23 | 1962-02-22 | 1962-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-08-23 | 1966-02-22 | 1966-08-24 | $7700.00 | Window Closed / Lapsed |