US3575454A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bumper shock-absorbing vehicle
Assignee: Individual
•
Filing: 1969-04-01
•
Granted: 1971-04-20
•
Expires: 1989-04-01
Abstract
Abstract A vehicle operable on conventional roads under driver control and on a monorail system under other than driver control. The vehicle has a body mounted to a frame by frangible members. Wheels are rotatably mounted to the frame for supporting the vehicle. Plungers having spring-biased pistons are mounted to the frame and are aligned with rubber grommets secured to a shell extending down from and surrounding the body. A rubber bumper is mounted to the outside surface of the shell. A rail-engaging carriage is secured to the underside of the vehicle.
Inventors
- 👤 Martha C Meeker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 10:26
CPC Classifications
B; B60; B60R; B60R19/00; B60R19/02; B60R19/42; B60F; B60F1/00; B60F1/005; B62; B62D; B62D1/00; B62D1/24; B62D1/26; B62D1/265; B62D31/00; B62D31/02; B62D39/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
90 words
A vehicle comprising a frame, a body, means securing said body to said frame, wheels rotatably mounted on said frame for supporting the vehicle, plungers mounted on the frame and each including outwardly projecting spring-biased pistons, a shell covering said body and extending over said plungers and wheels, a rubber bumper secured to said shell and surrounding said vehicle, and a plurality of rubber grommets secured to said shell beneath said rubber bumper, said grommets each being aligned to engage with but spaced from a respective one of said plungers.
Claim 2
Dependent Claim
90 words
A vehicle comprising a frame, a body, means securing said body to said frame, wheels rotatably mounted on said frame for supporting the vehicle, plungers mounted on the frame and each including outwardly projecting spring-biased pistons, a shell covering said body and extending over said plungers and wheels, a rubber bumper secured to said shell and surrounding said vehicle, and a plurality of rubber grommets secured to said shell beneath said rubber bumper, said grommets each being aligned to engage with but spaced from a respective one of said plungers.
Claim 3
Dependent Claim
36 words
The vehicle of claim 1 wherein said means comprises frangible members mounted to said frame securing said body to said frame, said members arranged to fail when said body is acted upon by a substantial force.
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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) | 1974-04-19 | 1974-10-19 | 1975-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-19 | 1978-10-19 | 1979-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-19 | 1982-10-19 | 1983-04-20 | $7700.00 | Window Closed / Lapsed |