US2653681A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shock absorber
Assignee: PATENT DEV Co
•
Filing: 1949-11-17
•
Granted: 1953-09-29
•
Expires: 1969-11-17
Abstract
No abstract record available.
Inventors
- 👤 William D Mcintyre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:38
CPC Classifications
B; B60; B60G; B60G15/00; B60G15/02; B60G15/06; B60G15/062; F; F16; F16F; F16F9/00; F16F9/32; F16F9/3207; F16F9/3214
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2087451A
Cited
US2163254A
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US2373503A
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US2334597A
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US2314505A
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US2426447A
Cited
US2346275A
Cited
US2578138A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |