US3295808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Parallel motion suspension device
Assignee: Individual
•
Filing: 1965-04-16
•
Granted: 1967-01-03
•
Expires: 1985-04-16
Abstract
No abstract record available.
Inventors
- 👤 James E Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:02
CPC Classifications
F; F16; F16C; F16C29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A PARALLEL MOTION SUSPENSION MEANS, COMPRISING: (A) A FIXED FRAME HAVING AXIALLY SPACED ENDS AND AN OPENING EXTENDING THEREBETWEEN; (B) A FIRST AND A SECOND PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID FRAME AT OPPOSITE SIDES OF SAID OPENING; (C) A MOVABLE ELEMENT POSITIONED IN SAID OPENING; (D) A THIRD PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID MOVABLE ELEMENT, THE MEMBERS OF SAID THIRD PAIR OF LEAF SPRINGS BEING DISPOSED BETWEEN THE MEMBERS OF SAID FIRST AND SECOND PAIR OF LEAF SPRINGS, AND THE LEAF SPRINGS AT ONE END OF SAID FIXED FRAME AND MOVABLE ELEMENT NORMALLY OCCUPYING COMMON PLANES; (E) AND A PAIR OF CONNECTING PLATES SECURED TO THE EXTREMITIES OF SAID LEAF SPRINGS TO SUPPORT SAID MOVABLE ELEMENT FREE OF THE WALLS OF SAID OPENING AND LIMIT SAID MOVABLE MEMBER TO AXIAL TRAVEL.
Claim 2
Dependent Claim
147 words
A PARALLEL MOTION SUSPENSION MEANS, COMPRISING: (A) A FIXED FRAME HAVING AXIALLY SPACED ENDS AND AN OPENING EXTENDING THEREBETWEEN; (B) A FIRST AND A SECOND PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID FRAME AT OPPOSITE SIDES OF SAID OPENING; (C) A MOVABLE ELEMENT POSITIONED IN SAID OPENING; (D) A THIRD PAIR OF LEAF SPRINGS SECURED INTERMEDIATE THEIR EXTREMITIES TO THE ENDS OF SAID MOVABLE ELEMENT, THE MEMBERS OF SAID THIRD PAIR OF LEAF SPRINGS BEING DISPOSED BETWEEN THE MEMBERS OF SAID FIRST AND SECOND PAIR OF LEAF SPRINGS, AND THE LEAF SPRINGS AT ONE END OF SAID FIXED FRAME AND MOVABLE ELEMENT NORMALLY OCCUPYING COMMON PLANES; (E) AND A PAIR OF CONNECTING PLATES SECURED TO THE EXTREMITIES OF SAID LEAF SPRINGS TO SUPPORT SAID MOVABLE ELEMENT FREE OF THE WALLS OF SAID OPENING AND LIMIT SAID MOVABLE MEMBER TO AXIAL TRAVEL.
References Cited (Backward Citations)
US2753176A
Cited
US2702186A
Cited
US2989298A
Cited
US2901703A
Cited
US2907563A
Cited
US2976734A
Cited
US2932482A
Cited
US3038331A
Cited
US3045535A
Cited
US3089342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |