Patent US3258259A successfully refreshed from Google Patents.
US3258259A
Expired / Lapsed
US
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Seat backrest with tensioning means
Assignee: Volvo AB
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Filing: 1965-03-15
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Granted: 1966-06-28
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Expires: 1985-03-15
Abstract
No abstract record available.
Inventors
- 👤 Bohlin Nils Ivar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:15
CPC Classifications
B; B60; B60N; B60N2/00; B60N2/70; B60N2/7023; B60N2/7035; B60N2/7047; B60N2/7076; A; A47; A47C; A47C7/00; A47C7/02; A47C7/22; B60N2/7052; B60N2/707
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
IN A SEAT HAVING A RESILIENT BACKREST COMPRISING A FRAME AND ELASTIC MEANS IN THE FORM OF STRAPS OR A SHEET STRETCHED IN SAID FRAME, A TIGHTENING DEVICE CONNECTED TO SAID FRAME AND OPERABLE TO ADJUST THE TENSION ON SAID ELASTIC MEANS IN THE REGION OF THE SMALL OF THE BACK OF A PERSON SITTING ON THE SEAT, SAID TIGHTENING DEVICE COMPRISING A BAR MOUNTED NEAR AT LEAST ONE SIDE PORTION OF THE FRAME, AND MEANS FOR MOVING SAIS BAR TRANSVERSELY OF THE SEAT COMPRISING A MOUNTING MEMBER ASSOCIATED WITH SAID BAR AND A SCREW MEMBER MOUNTED IN SAID FRAME AND COOPERATING WITH SAID MOUNTING MEMBER AND OPERABLE TO BE TURNED TO ADJUST SAID TIGHTENING DEVICE.
Claim 2
Dependent Claim
116 words
IN A SEAT HAVING A RESILIENT BACKREST COMPRISING A FRAME AND ELASTIC MEANS IN THE FORM OF STRAPS OR A SHEET STRETCHED IN SAID FRAME, A TIGHTENING DEVICE CONNECTED TO SAID FRAME AND OPERABLE TO ADJUST THE TENSION ON SAID ELASTIC MEANS IN THE REGION OF THE SMALL OF THE BACK OF A PERSON SITTING ON THE SEAT, SAID TIGHTENING DEVICE COMPRISING A BAR MOUNTED NEAR AT LEAST ONE SIDE PORTION OF THE FRAME, AND MEANS FOR MOVING SAIS BAR TRANSVERSELY OF THE SEAT COMPRISING A MOUNTING MEMBER ASSOCIATED WITH SAID BAR AND A SCREW MEMBER MOUNTED IN SAID FRAME AND COOPERATING WITH SAID MOUNTING MEMBER AND OPERABLE TO BE TURNED TO ADJUST SAID TIGHTENING DEVICE.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |