US3195878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automotive suspension system having a dual stage spring means
Assignee: Ford Motor Co
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Filing: 1963-12-18
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Granted: 1965-07-20
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Expires: 1983-12-18
Abstract
No abstract record available.
Inventors
- 👤 Rosky Frederick
- 👤 Carl P Wenzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:44
CPC Classifications
B; B60; B60G; B60G7/00; B60G7/02; B60G13/00; B60G13/02; B60G13/06; B60G13/08; B60G3/00; B60G3/18; B60G3/20; B60G7/001; B60G2206/00; B60G2206/01; B60G2206/10; B60G2206/16; B60G2206/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AN AUTOMOTIVE SUSPENSION SYSTEM COMPRISING A SPRUNG MEMBER, AN UNSPRUNG MEMBER, AND SUSPENSION MEANS SUPPORTING SAID UNSPRUNG MEMBER FOR VERTICAL AND HORIZONTAL MOVEMENT RELATIVE TO SAID SPRUNG MEMBER, SAID SUSPENSION MEANS INCLUDING A UNITARY DUAL STAGE SPRING MEANS, SAID DUAL STAGE SPRING MEANS COMPRISING A FIRST SPRING MEANS AND A SECOND SPRING MEANS, ONLY SAID FIRST SPRING MEANS BEING OPERATIVE DURING INITIAL HORIZONTAL MOVEMENT OF SAID UNSPRUNG MEMBER TO PROVIDE A RELATIVELY LOW DEGREE OF RESISTANCE TO MOVEMENT CAUSED BY HORIZONTAL FORCES OF LOW MAGNITUDE ACTING ON SAID UNSPRUNG MEMBER, SAID FIRST AND SECOND SPRING MEANS BEING OPERATIVE TO PROVIDE AN INCREASING DEGREE OF RESISTANCE TO CON-
Claim 2
Dependent Claim
107 words
AN AUTOMOTIVE SUSPENSION SYSTEM COMPRISING A SPRUNG MEMBER, AN UNSPRUNG MEMBER, AND SUSPENSION MEANS SUPPORTING SAID UNSPRUNG MEMBER FOR VERTICAL AND HORIZONTAL MOVEMENT RELATIVE TO SAID SPRUNG MEMBER, SAID SUSPENSION MEANS INCLUDING A UNITARY DUAL STAGE SPRING MEANS, SAID DUAL STAGE SPRING MEANS COMPRISING A FIRST SPRING MEANS AND A SECOND SPRING MEANS, ONLY SAID FIRST SPRING MEANS BEING OPERATIVE DURING INITIAL HORIZONTAL MOVEMENT OF SAID UNSPRUNG MEMBER TO PROVIDE A RELATIVELY LOW DEGREE OF RESISTANCE TO MOVEMENT CAUSED BY HORIZONTAL FORCES OF LOW MAGNITUDE ACTING ON SAID UNSPRUNG MEMBER, SAID FIRST AND SECOND SPRING MEANS BEING OPERATIVE TO PROVIDE AN INCREASING DEGREE OF RESISTANCE TO CON-
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) | 1968-07-19 | 1969-01-18 | 1969-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-19 | 1973-01-18 | 1973-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-19 | 1977-01-18 | 1977-07-20 | $7700.00 | Window Closed / Lapsed |