Patent US3363729A successfully refreshed from Google Patents.
US3363729A
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Hydraulic buffer with disk control valve structure
Assignee: Houdaille Industries Inc
•
Filing: 1965-10-23
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Granted: 1968-01-16
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Expires: 1985-10-23
Abstract
No abstract record available.
Inventors
- 👤 Rumsey Rollin Douglas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:16
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; F16F9/3405; F16F9/348; F16F9/3484; F16F9/3485; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/778; Y10T137/7837; Y10T137/785; Y10T137/7852; Y10T137/7879; Y10T137/7888
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2521202A
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FR1065526A
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US3180453A
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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) | 1971-01-15 | 1971-07-17 | 1972-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-15 | 1975-07-17 | 1976-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-15 | 1979-07-17 | 1980-01-16 | $7700.00 | Window Closed / Lapsed |