US3163262A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic telescopic shock absorbers
Assignee: Individual
•
Filing: 1962-10-31
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Granted: 1964-12-29
•
Expires: 1982-10-31
Abstract
No abstract record available.
Inventors
- 👤 Allinquant Fernand Stanislas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 21:58
CPC Classifications
F; F16; F16F; F16F9/00; F16F9/06; F16F9/066; F16F9/067; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49925; Y10T29/49927; Y10T29/49929
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
244 words
A HYDRAULIC TELESCOPE SHOCK ABSORBER WHOSE MAIN AXIS EXTENDS AT LEAST SUBSTANTIALLY HORIZONTALLY COMPRISING A WORKING CHAMBER AND A PISTON, SAID PISTON BEING ARRANGED MOVABLY IN SAID WORKING CHAMBER, A RESERVOIR, A LIQUID PARTIALLY FILLING THE LOWER PART OF SAID RESERVOIR AND A COMPRESSED GAS FILLING PARTIALLY THE UPPER PART OF SAID RESERVOIR NOT FILLED BY SAID LIQUID, A PARTITION SEPARATING SAID RESERVOIR AND SAID WORKING CHAMBER, SAID PARTITION PROVIDED WITH A FIRST AND A SECOND SERIES OF BORES, FIRST CHECK VALVE MEANS FOR SAID FIRST SERIES OF BORES AND SECOND CHECK VALVE MEANS FOR SAID SECOND SERIES OF BORES, SAID FIRST CHECK VALVE MEANS PERMITTING FLOW FROM THE WORKING CHAMBER INTO THE RESERVOIR WHEN THE PISTON MOVES TOWARD SAID PARTITION, SAID SECOND CHECK VALVE MEANS PERMITTING FLOW FROM THE RESERVOIR TO THE WORKING CHAMBER WHEN THE PISTON MOVES AWAY FROM SAID PARTITION, SAID FIRST SERIES OF BORES CONTROLLE BY SAID FIRST CHECK VALVE MEANS BEING OPEN AT THE TOP OF SAID WORKING CHAMBER, WHEREBY GAS THAT MAY HAVE ENTERED THE WORKING CHAMBER AND MAY BE EMULSIFIED IS ENABLED TO RETURN TO THE RESERVOIR AND TO BE REPLACED BY LIQUID, SAID FIRST SERIES OF BORES COMPRISING HOLES EXTENDING THROUGH SAID PARTITION AND SUBSTANTIALLY VERTICAL GROOVES FORMING CONTINUATIONS OF SAID HOLES AND BEING HOLLOWED OUT IN THE FACE OF THE PARTITION DEFINING THE WORKING CHAMBER, SAID GROOVES BEING COVERED IN AN AREA ADJACENT THE AXIS OF THE SHOCK ABSORBER BY SAID SECOND CHECK VALVE MEANS.
Claim 2
Dependent Claim
244 words
A HYDRAULIC TELESCOPE SHOCK ABSORBER WHOSE MAIN AXIS EXTENDS AT LEAST SUBSTANTIALLY HORIZONTALLY COMPRISING A WORKING CHAMBER AND A PISTON, SAID PISTON BEING ARRANGED MOVABLY IN SAID WORKING CHAMBER, A RESERVOIR, A LIQUID PARTIALLY FILLING THE LOWER PART OF SAID RESERVOIR AND A COMPRESSED GAS FILLING PARTIALLY THE UPPER PART OF SAID RESERVOIR NOT FILLED BY SAID LIQUID, A PARTITION SEPARATING SAID RESERVOIR AND SAID WORKING CHAMBER, SAID PARTITION PROVIDED WITH A FIRST AND A SECOND SERIES OF BORES, FIRST CHECK VALVE MEANS FOR SAID FIRST SERIES OF BORES AND SECOND CHECK VALVE MEANS FOR SAID SECOND SERIES OF BORES, SAID FIRST CHECK VALVE MEANS PERMITTING FLOW FROM THE WORKING CHAMBER INTO THE RESERVOIR WHEN THE PISTON MOVES TOWARD SAID PARTITION, SAID SECOND CHECK VALVE MEANS PERMITTING FLOW FROM THE RESERVOIR TO THE WORKING CHAMBER WHEN THE PISTON MOVES AWAY FROM SAID PARTITION, SAID FIRST SERIES OF BORES CONTROLLE BY SAID FIRST CHECK VALVE MEANS BEING OPEN AT THE TOP OF SAID WORKING CHAMBER, WHEREBY GAS THAT MAY HAVE ENTERED THE WORKING CHAMBER AND MAY BE EMULSIFIED IS ENABLED TO RETURN TO THE RESERVOIR AND TO BE REPLACED BY LIQUID, SAID FIRST SERIES OF BORES COMPRISING HOLES EXTENDING THROUGH SAID PARTITION AND SUBSTANTIALLY VERTICAL GROOVES FORMING CONTINUATIONS OF SAID HOLES AND BEING HOLLOWED OUT IN THE FACE OF THE PARTITION DEFINING THE WORKING CHAMBER, SAID GROOVES BEING COVERED IN AN AREA ADJACENT THE AXIS OF THE SHOCK ABSORBER BY SAID SECOND CHECK VALVE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-12-29 | 1968-06-29 | 1968-12-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-29 | 1972-06-29 | 1972-12-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-29 | 1976-06-29 | 1976-12-29 | $7700.00 | Window Closed / Lapsed |