US2691387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foot valve for direct acting shock absorbers
Assignee: Houdaille Hershey Corp
•
Filing: 1949-02-14
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Granted: 1954-10-12
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Expires: 1969-02-14
Abstract
No abstract record available.
Inventors
- 👤 John N Strauss
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 02:58
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/7778; Y10T137/7837; Y10T137/7904; Y10T137/7922; Y10T137/7929; Y10T137/7931
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1244382A
Cited
US1884262A
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US1865460A
Cited
US1991043A
Cited
US2148839A
Cited
US2346275A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-10-11 | 1958-04-12 | 1958-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-10-11 | 1962-04-12 | 1962-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-10-11 | 1966-04-12 | 1966-10-12 | $7700.00 | Window Closed / Lapsed |