Patent US3574537A successfully refreshed from Google Patents.
Patent US3219386A successfully refreshed from Google Patents.
US3219386A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Seat assembly
Assignee: Bostrom Corp
•
Filing: 1962-07-30
•
Granted: 1965-11-23
•
Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Allison K Simons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:25
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/02; B60N2/22; B60N2/23; B60N2/233; B60N2/04; B60N2/06; B60N2/067
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A SEAT SUSPENSION SYSTEM COMPRISING, A FRAME MEMBER HAVING A GENERALLY HORIZONTALLY EXTENDING BASE PART AND AN UPWARDLY EXTENDING BACK SUPPORT PART FIXED TO SAID BASE PART, A SEAT MEMBER HAVING A GENERALLY HORIZONTALLY EXTENDING SAID PAN AND AN UPWARDLY EXTENDING BACK SECTION FIXED TO SAID SEAT PAN, A PAIR OF LINKS PIVOTALLY CONNETED AT ONE OF THEIR ENDS TO SAID FRAME AND AT THE OTHER OF THEIR ENDS TO THE OPPOSITE SIDES OF SAID SEAT PAN ON A COMMON TRANSVERSE AXIS, SAID AXIS BEING AT A LOCATION IN RESPECT TO SAID SEAT PAN SUBSTANTIALLY THROUGH THE POINT OF THE CENTER OF GRAVITY OF AN OCCUPANT OF SAID SEAT, AND BIASING MEANS BEING CONNECTED FOR FORCE AND AFT MOVEMENT IN RESPECT TO SAID LINKS TO ONE OF SAID MEMBERS AND BEING CONNECTED TO SAID LINKS INTERMEDIATE THE ENDS OF SAID LINKS TO THEREBY URGE SAID SEAT MEMBER AWAY FROM SAID BASE PART AND RESILIENTLY RISISTING MOTION OF SAID SEAT MEMBER TOWARD SAID BASE PART, GUIDE MEANS INTERCONNECTING SAID BACK SECTION AND SAID SUPPORT PART TO MAINTAIN SAID SEAT MEMBER IN GENERALLY THE SAME PLANAR RELATIONSHIP IN RESPECT TO THE BASE PART DURING OSCILLATION OF SAID SEAT MEMBER.
Claim 2
Dependent Claim
197 words
A SEAT SUSPENSION SYSTEM COMPRISING, A FRAME MEMBER HAVING A GENERALLY HORIZONTALLY EXTENDING BASE PART AND AN UPWARDLY EXTENDING BACK SUPPORT PART FIXED TO SAID BASE PART, A SEAT MEMBER HAVING A GENERALLY HORIZONTALLY EXTENDING SAID PAN AND AN UPWARDLY EXTENDING BACK SECTION FIXED TO SAID SEAT PAN, A PAIR OF LINKS PIVOTALLY CONNETED AT ONE OF THEIR ENDS TO SAID FRAME AND AT THE OTHER OF THEIR ENDS TO THE OPPOSITE SIDES OF SAID SEAT PAN ON A COMMON TRANSVERSE AXIS, SAID AXIS BEING AT A LOCATION IN RESPECT TO SAID SEAT PAN SUBSTANTIALLY THROUGH THE POINT OF THE CENTER OF GRAVITY OF AN OCCUPANT OF SAID SEAT, AND BIASING MEANS BEING CONNECTED FOR FORCE AND AFT MOVEMENT IN RESPECT TO SAID LINKS TO ONE OF SAID MEMBERS AND BEING CONNECTED TO SAID LINKS INTERMEDIATE THE ENDS OF SAID LINKS TO THEREBY URGE SAID SEAT MEMBER AWAY FROM SAID BASE PART AND RESILIENTLY RISISTING MOTION OF SAID SEAT MEMBER TOWARD SAID BASE PART, GUIDE MEANS INTERCONNECTING SAID BACK SECTION AND SAID SUPPORT PART TO MAINTAIN SAID SEAT MEMBER IN GENERALLY THE SAME PLANAR RELATIONSHIP IN RESPECT TO THE BASE PART DURING OSCILLATION OF SAID SEAT MEMBER.
References Cited (Backward Citations)
US1187580A
Cited
US1767757A
Cited
US1971085A
Cited
US2248603A
Cited
US2286168A
Cited
US2366730A
Cited
GB551808A
Cited
US2606592A
Cited
US2636544A
Cited
US3059967A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-22 | 1969-05-24 | 1969-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-22 | 1973-05-24 | 1973-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-22 | 1977-05-24 | 1977-11-23 | $7700.00 | Window Closed / Lapsed |