US2667237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetic fluid shock absorber
Assignee: Individual
•
Filing: 1948-09-27
•
Granted: 1954-01-26
•
Expires: 1968-09-27
Abstract
No abstract record available.
Inventors
- 👤 Rabinow Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:47
CPC Classifications
H; H01; H01F; H01F1/00; H01F1/44; H01F1/447; F; F16; F16D; F16D37/00; F16D37/02; Y; Y10; Y10S; Y10S137/00; Y10S137/909
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2106882A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-01-25 | 1957-07-27 | 1958-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-01-25 | 1961-07-27 | 1962-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-01-25 | 1965-07-27 | 1966-01-26 | $7700.00 | Window Closed / Lapsed |