Patent US3241879A successfully refreshed from Google Patents.
US3241879A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spring seat structure
Assignee: Ford Motor Co
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Filing: 1963-06-10
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Granted: 1966-03-22
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Expires: 1983-06-10
Abstract
No abstract record available.
Inventors
- 👤 Castello Michael
- 👤 Joseph V Makowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:11
CPC Classifications
A; A47; A47C; A47C7/00; A47C7/02; A47C7/28; A47C7/30; B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
200 words
A SEAT STRUCTURE COMPRISING A MAIN FRAME AND AN AUXILIARY FRAME MAINTAINED IN A SPACED RELATIONSHIP TO SAID MAIN FRAME, A PLURALITY OF ELONGATED SPRING ELEMENTS IN SUBSTANTIALLY PARALLEL RELATIONSHIP TO EACH OTHER AND HAVING THEIR END PORTIONS ATTACHED TO SAID AUXILIARY FRAME, THE INTERMEDIATE PORTION OF EACH ELONGATED SPRING ELEMENT BEING DEFLECTABLE FROM THE PLANE OF SAID AUXILIARY FRAME UPON HAVING A LOAD APPLIED THERETO, AT LEAST ONE ADDITIONAL SPRING MEANS HAVING A CURVED RELATIONSHIP TO THE PLANE OF SAID MAIN FRAME AND EXTENDING IN A SUBSTANTIALLY TRANSVERSE RELATIONSHIP TO THE INTERMEDIATE PORTIONS OF SAID PLURALITY OF ELONGATED SPRING ELEMENTS, SAID SPRING MEANS ENGAGING ONE OR MORE OF SAID SPRING ELEMENTS UPON DEFLECTION OF SAID INTERMEDIATE PORTIONS OF THE ELEMENTS UNDER LOAD, MEANS SUPPORTING THE END PORTIONS OF SAID SPRING MEANS FOR RELATIVE MOVEMENT IN THE PLANE OF SAID MAIN FRAME, AND MEANS OPERATIVE TO RELATIVELY MOVE SAID SUPPORT MEANS AND THEREBY SAID SPRING MEANS END PORTIONS TOWARD OR AWAY FROM EACH OTHER TO VARY THE DEGREE OF CURVATURE OF SAID SPRING MEANS, THE DEGREE OF CURVATURE OF SAID SPRING MEANS BEING DETERMINATIVE OF THE RESISTANCE TO DEFLECTION UNDER LOAD OF THE INTERMEDIATE PORTIONS OF SAID ELONGATED SPRING ELEMENTS.
Claim 2
Dependent Claim
200 words
A SEAT STRUCTURE COMPRISING A MAIN FRAME AND AN AUXILIARY FRAME MAINTAINED IN A SPACED RELATIONSHIP TO SAID MAIN FRAME, A PLURALITY OF ELONGATED SPRING ELEMENTS IN SUBSTANTIALLY PARALLEL RELATIONSHIP TO EACH OTHER AND HAVING THEIR END PORTIONS ATTACHED TO SAID AUXILIARY FRAME, THE INTERMEDIATE PORTION OF EACH ELONGATED SPRING ELEMENT BEING DEFLECTABLE FROM THE PLANE OF SAID AUXILIARY FRAME UPON HAVING A LOAD APPLIED THERETO, AT LEAST ONE ADDITIONAL SPRING MEANS HAVING A CURVED RELATIONSHIP TO THE PLANE OF SAID MAIN FRAME AND EXTENDING IN A SUBSTANTIALLY TRANSVERSE RELATIONSHIP TO THE INTERMEDIATE PORTIONS OF SAID PLURALITY OF ELONGATED SPRING ELEMENTS, SAID SPRING MEANS ENGAGING ONE OR MORE OF SAID SPRING ELEMENTS UPON DEFLECTION OF SAID INTERMEDIATE PORTIONS OF THE ELEMENTS UNDER LOAD, MEANS SUPPORTING THE END PORTIONS OF SAID SPRING MEANS FOR RELATIVE MOVEMENT IN THE PLANE OF SAID MAIN FRAME, AND MEANS OPERATIVE TO RELATIVELY MOVE SAID SUPPORT MEANS AND THEREBY SAID SPRING MEANS END PORTIONS TOWARD OR AWAY FROM EACH OTHER TO VARY THE DEGREE OF CURVATURE OF SAID SPRING MEANS, THE DEGREE OF CURVATURE OF SAID SPRING MEANS BEING DETERMINATIVE OF THE RESISTANCE TO DEFLECTION UNDER LOAD OF THE INTERMEDIATE PORTIONS OF SAID ELONGATED SPRING ELEMENTS.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |