US3074515A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Steering stabilizer
Assignee: Individual
•
Filing: 1960-09-14
•
Granted: 1963-01-22
•
Expires: 1980-09-14
Abstract
No abstract record available.
Inventors
- 👤 Maclellan William Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:09
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
224 words
A STEERING STABILIZER COMPRISING A CYLINDER HAVING LIQUID THEREIN; A PISTON ROD EXTENDING INTO SAID CYLINDER; A PISTON MEMBER SECURED TO SAID PISTON ROD AND FITTING SNUGLY AND RECIPROCABLY IN SAID CYLINDER, SAID PISTON MEMBER HAVING TWO CIRCULAR GROOVES IN THE OPPOSED SIDES THEREOF ADJACENT ITS PERIPHERY AND HAVING AT LEAST ONE LIQUID FLOW PASSAGEWAY OF SUBSTANTIAL AREA THEREIN EXTENDING THROUGH THE PISTON MEMBER BETWEEN SAID CIRCULAR GROOVES AND PROVIDING FOR A FREE FLOW OF LIQUID FROM ONE SIDE TO THE OTHER OF SAID PISTON MEMBER; AND TWO THIN FLAT RESILIENT DISCS SECURED TO THE HUB PORTIONS OF OPPOSITE SIDES OF SAID PISTON MEMBER COAXIALLY THEREOF, EACH OF SAID DISCS HAVING AT LEAST ONE SMALL OPENING EXTENDING THERETHROUGH IN REGISTRATION WITH A CIRCULAR GROOVE IN SAID PISTON MEMBER, EACH OF SAID DISCS BEING OF SLIGHTLY LESS DIAMETER THAN SAID CYLINDER TO LEAVE A LIQUID FLOW PASSAGEWAY BETWEEN THE PERIPHERAL PORTION OF THE DISC AND THE WALL OF THE CYLINDER, THE OUTER PORTIONS OF SAID DISCS NORMALLY STANDING CLEAR OF THE SIDES IN SAID PISTON MEMBER OPEN AND THE PASSAGEWAY AROUND THE PERIPHERY OF SAID DISCS OPEN AND SAID DISCS BEING CAPABLE OF BEING FLEXED BY LIQUID PRESSURE AGAINST THE OUTER SIDES THEREOF AND MOVED INTO ENGAGEMENT WITH THE FACES OF SAID PISTON MEMBER TO SUBSTANTIALLY CLOSE THE LIQUID FLOW PASSAGEWAYS THROUGH THE PISTON MEMBER.
Claim 2
Dependent Claim
224 words
A STEERING STABILIZER COMPRISING A CYLINDER HAVING LIQUID THEREIN; A PISTON ROD EXTENDING INTO SAID CYLINDER; A PISTON MEMBER SECURED TO SAID PISTON ROD AND FITTING SNUGLY AND RECIPROCABLY IN SAID CYLINDER, SAID PISTON MEMBER HAVING TWO CIRCULAR GROOVES IN THE OPPOSED SIDES THEREOF ADJACENT ITS PERIPHERY AND HAVING AT LEAST ONE LIQUID FLOW PASSAGEWAY OF SUBSTANTIAL AREA THEREIN EXTENDING THROUGH THE PISTON MEMBER BETWEEN SAID CIRCULAR GROOVES AND PROVIDING FOR A FREE FLOW OF LIQUID FROM ONE SIDE TO THE OTHER OF SAID PISTON MEMBER; AND TWO THIN FLAT RESILIENT DISCS SECURED TO THE HUB PORTIONS OF OPPOSITE SIDES OF SAID PISTON MEMBER COAXIALLY THEREOF, EACH OF SAID DISCS HAVING AT LEAST ONE SMALL OPENING EXTENDING THERETHROUGH IN REGISTRATION WITH A CIRCULAR GROOVE IN SAID PISTON MEMBER, EACH OF SAID DISCS BEING OF SLIGHTLY LESS DIAMETER THAN SAID CYLINDER TO LEAVE A LIQUID FLOW PASSAGEWAY BETWEEN THE PERIPHERAL PORTION OF THE DISC AND THE WALL OF THE CYLINDER, THE OUTER PORTIONS OF SAID DISCS NORMALLY STANDING CLEAR OF THE SIDES IN SAID PISTON MEMBER OPEN AND THE PASSAGEWAY AROUND THE PERIPHERY OF SAID DISCS OPEN AND SAID DISCS BEING CAPABLE OF BEING FLEXED BY LIQUID PRESSURE AGAINST THE OUTER SIDES THEREOF AND MOVED INTO ENGAGEMENT WITH THE FACES OF SAID PISTON MEMBER TO SUBSTANTIALLY CLOSE THE LIQUID FLOW PASSAGEWAYS THROUGH THE PISTON MEMBER.
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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) | 1966-01-21 | 1966-07-23 | 1967-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-21 | 1970-07-23 | 1971-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-21 | 1974-07-23 | 1975-01-22 | $7700.00 | Window Closed / Lapsed |