US3168169A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Air bleeding device for shock absorbers mounted in a substantially horizontal positio
Assignee: Individual
•
Filing: 1963-04-30
•
Granted: 1965-02-02
•
Expires: 1983-04-30
Abstract
No abstract record available.
Inventors
- 👤 Allinquant Fernand Stanislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:15
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/32; F16F9/34; F16F9/344
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A HYDRAULIC SHOCK ABSORBER WHICH COMPRISES A CYLINDER ARRANGED WITH ITS AXIS GREATLY INCLINED WITH RESPECT TO THE VERTICAL, A PISTON, A PISTON-ROD, AN AUXILIARY CHAMBER COMMUNICATING WITH THE CYLINDER TO COMPENSATE FOR VARIATION, WHICH OCCURS DURING RELATIVE MOVEMENT OF THE PISTON AND CYLINDER, IN THE VOLUME OCCUPIED IN THE CYLINDER BY THE PISTON ROD AND VALVE MEANS CONTROLLING COMMUNICATION BETWEEN THE AUXILIARY CHAMBER AND THE CYLINDER, AN AIR BLEEDING DEVICE WHICH COMPRISES A DUCT
Claim 2
Dependent Claim
76 words
IN A HYDRAULIC SHOCK ABSORBER WHICH COMPRISES A CYLINDER ARRANGED WITH ITS AXIS GREATLY INCLINED WITH RESPECT TO THE VERTICAL, A PISTON, A PISTON-ROD, AN AUXILIARY CHAMBER COMMUNICATING WITH THE CYLINDER TO COMPENSATE FOR VARIATION, WHICH OCCURS DURING RELATIVE MOVEMENT OF THE PISTON AND CYLINDER, IN THE VOLUME OCCUPIED IN THE CYLINDER BY THE PISTON ROD AND VALVE MEANS CONTROLLING COMMUNICATION BETWEEN THE AUXILIARY CHAMBER AND THE CYLINDER, AN AIR BLEEDING DEVICE WHICH COMPRISES A DUCT
References Cited (Backward Citations)
US1855064A
Cited
US3070191A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-02 | 1968-08-03 | 1969-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-02 | 1972-08-03 | 1973-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-02 | 1976-08-03 | 1977-02-02 | $7700.00 | Window Closed / Lapsed |