US3333863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wheel stabilizer
Assignee: Individual
•
Filing: 1965-06-21
•
Granted: 1967-08-01
•
Expires: 1985-06-21
Abstract
No abstract record available.
Inventors
- 👤 Thomas M Bishop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:04
CPC Classifications
B; B62; B62D; B62D7/00; B62D7/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
IN A STEERABLE VEHICLE SUSPENSION SYSTEM OF THE TYPE HAVING AT LEAST ONE ROTATABLE WHEEL PIVOTAL ABOUT A SUBSTANTIALLY VERTICAL AXIS, SAID VEHICLE HAVING A FRAME AND SAID WHEEL HAVING A BACKING PLATE, THE COMBINATION THEREWITH OF A COMPOUND SPRING EXTENDING BETWEEN THE LOWER PORTION OF SAID BACKING PLATE AND SAID FRAME, SAID COMPOUND SPRING HAVING A FIRST SPRING, MEANS FOR LIMITING THE OPENING OF SAID FIRST SPRING, A SECOND SPRING ATTACHED TO SAID FIRST SPRING AND CONSTRUCTED TO OPEN AFTER SAID FIRST SPRING OPENS.
Claim 2
Dependent Claim
85 words
IN A STEERABLE VEHICLE SUSPENSION SYSTEM OF THE TYPE HAVING AT LEAST ONE ROTATABLE WHEEL PIVOTAL ABOUT A SUBSTANTIALLY VERTICAL AXIS, SAID VEHICLE HAVING A FRAME AND SAID WHEEL HAVING A BACKING PLATE, THE COMBINATION THEREWITH OF A COMPOUND SPRING EXTENDING BETWEEN THE LOWER PORTION OF SAID BACKING PLATE AND SAID FRAME, SAID COMPOUND SPRING HAVING A FIRST SPRING, MEANS FOR LIMITING THE OPENING OF SAID FIRST SPRING, A SECOND SPRING ATTACHED TO SAID FIRST SPRING AND CONSTRUCTED TO OPEN AFTER SAID FIRST SPRING OPENS.
References Cited (Backward Citations)
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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) | 1970-07-31 | 1971-01-30 | 1971-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-31 | 1975-01-30 | 1975-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-31 | 1979-01-30 | 1979-08-01 | $7700.00 | Window Closed / Lapsed |