US3305877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bed or chair with supporting surfaces having angular positions variable in relation to each other
Assignee: CHRISTENSEN ALLEN AND CO
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Filing: 1965-10-07
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Granted: 1967-02-28
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Expires: 1985-10-07
Abstract
No abstract record available.
Inventors
- 👤 Niclsen George Peter Christian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:12
CPC Classifications
A; A47; A47C; A47C20/00; A47C20/08; A61; A61G; A61G7/00; A61G7/002; A61G7/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
AN ARTICLE OF FURNITURE COMPRISING A BASE FRAME MEANS, A BACK SUPPORTING FRAME SUPERPOSED RELATIVE TO SAID BASE FRAME MEANS, PIVOT MEANS CONNECTING THE BACK SUPPORTING FRAME AT AN INTERMEDIATE POSITION OF ITS LENGTH TO THE BASE FRAME MEANS, A HORIZONTAL SEAT FRAME SUPERPOSED OVER SAID FRAME MEANS, LINK MEANS SUPPORTED FROM SAID BASE FRAME MEANS AND COUPLING SAID SEAT AND BACK SUPPORTING FRAMES SO THAT, AS THE BACK SUPPORTING FRAME PIVOTS ON SAID BASE FRAME MEANS, SAID SEAT FRAME IS RAISED AND LOWERED RELATIVE TO SAID BASE FRAME WHILE MAINTAINING ITS HORIZONTAL ATTITUDE, A DOWNWARDLY EXTENDING ARM RIGIDLY ON SAID SEAT FRAME, SAID LINK MEANS INCLUDING A
Claim 2
Dependent Claim
108 words
AN ARTICLE OF FURNITURE COMPRISING A BASE FRAME MEANS, A BACK SUPPORTING FRAME SUPERPOSED RELATIVE TO SAID BASE FRAME MEANS, PIVOT MEANS CONNECTING THE BACK SUPPORTING FRAME AT AN INTERMEDIATE POSITION OF ITS LENGTH TO THE BASE FRAME MEANS, A HORIZONTAL SEAT FRAME SUPERPOSED OVER SAID FRAME MEANS, LINK MEANS SUPPORTED FROM SAID BASE FRAME MEANS AND COUPLING SAID SEAT AND BACK SUPPORTING FRAMES SO THAT, AS THE BACK SUPPORTING FRAME PIVOTS ON SAID BASE FRAME MEANS, SAID SEAT FRAME IS RAISED AND LOWERED RELATIVE TO SAID BASE FRAME WHILE MAINTAINING ITS HORIZONTAL ATTITUDE, A DOWNWARDLY EXTENDING ARM RIGIDLY ON SAID SEAT FRAME, SAID LINK MEANS INCLUDING A
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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |