US2808945A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorbing mechanisms
Assignee: W H MINER Inc
•
Filing: 1953-11-05
•
Granted: 1957-10-08
•
Expires: 1973-11-05
Abstract
No abstract record available.
Inventors
- 👤 Vernon S Danielson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 00:41
CPC Classifications
B; B61; B61G; B61G9/00; B61G9/04; B61G9/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US964173A
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US943314A
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US1738020A
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US1840125A
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US1809908A
Cited
US2141680A
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US2392028A
Cited
US2481575A
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US2536264A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-07 | 1961-04-08 | 1961-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-07 | 1965-04-08 | 1965-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-07 | 1969-04-08 | 1969-10-08 | $7700.00 | Window Closed / Lapsed |