Patent US3659898A successfully refreshed from Google Patents.
US3659898A
Expired / Lapsed
US
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Chair
Assignee: ALMET/LAWNLITE Inc VICTOR REITER PARKWAY PO BOX L PORTLAND TN 37148 A CORP OF
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Filing: 1970-12-09
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Granted: 1972-05-02
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Expires: 1990-12-09
Abstract
Abstract A chair characterized by a seat portion integrally molded of a plastic material and a back rest portion integrally molded of a plastic material, each readily attachable respectively to a seat frame and to a back frame of a chair.
Inventors
- 👤 Bernard Yellin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:52
CPC Classifications
A; A47; A47C; A47C5/00; A47C5/04; A47C5/06; Y; Y10; Y10S; Y10S297/00; Y10S297/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
204 words
A collapsible chair comprising a seat frame of tubular stock having a pair of sides and a front all integrally formed, a back frame of tubular stock having a pair of spaced sides and a top all integrally formed, front and rear legs for supporting said seat and connected for pivotal movement for collapsing or setting up said chair, a seat integrally formed of plastic material and having downwardly and inwardly extending curved side flanges integrally formed with said seat, said seat mounted on said seat frame and adapted to engage the sides of the seat frame by positioning the rear of the seat adjacent the front of the seat frame and sliding the seat rearwardly with respect to the seat frame and the sides of the frame, said seat flanges being of arcuate shape with the free edge of the flanges extending slightly inwardly of the longitudinal axis of the tubular sides of the seat frame so that the seat cannot be lifted from the seat frame, said arcuate-shaped flanges extending exteriorly around the outside surface of the sides of the seat frame with the opposite surface of the sides of the seat frame being free of the seat or the flanges thereof.
Claim 2
Dependent Claim
204 words
A collapsible chair comprising a seat frame of tubular stock having a pair of sides and a front all integrally formed, a back frame of tubular stock having a pair of spaced sides and a top all integrally formed, front and rear legs for supporting said seat and connected for pivotal movement for collapsing or setting up said chair, a seat integrally formed of plastic material and having downwardly and inwardly extending curved side flanges integrally formed with said seat, said seat mounted on said seat frame and adapted to engage the sides of the seat frame by positioning the rear of the seat adjacent the front of the seat frame and sliding the seat rearwardly with respect to the seat frame and the sides of the frame, said seat flanges being of arcuate shape with the free edge of the flanges extending slightly inwardly of the longitudinal axis of the tubular sides of the seat frame so that the seat cannot be lifted from the seat frame, said arcuate-shaped flanges extending exteriorly around the outside surface of the sides of the seat frame with the opposite surface of the sides of the seat frame being free of the seat or the flanges thereof.
Claim 3
Dependent Claim
42 words
A chair as set forth in claim 1 in which the front of the seat has a downwardly and inwardly curved front flange of a shape conforming to the seat side flanges, which front flange engages the front of the seat frame.
Claim 4
Dependent Claim
19 words
A chair as set forth in claim 2 in which the seat side flanges and front flange is continuous.
Claim 5
Dependent Claim
139 words
A chair as set forth in claim 1 in which a back rest is mounted on the back frame, said back rest integrally formed of plastic material and having rearwardly and inwardly extending side flanges integrally formed with said back rest, said back rest mounted on said back frame and adapted to engage the sides of the back rest by positioning the lower end of the back rest adjacent the top of the back frame and sliding the back rest downwardly with respect to the back frame and the sides of the frame, said back rest flanges being arcuate shape with the free edge of the flange extending slightly inwardly of the longitudinal axis of the tubular sides of the back frame so that the back rest can only be removed by sliding same upwardly of the back frame.
Claim 6
Dependent Claim
43 words
A chair as set forth in claim 4 in which the top of the back rest has a downwardly and inwardly curved flange of a shape conforming to the back rest side flanges, which top flange engages the top of the back frame.
Claim 7
Dependent Claim
20 words
A chair as set forth in claim 5 in which the back rest side flanges and top flange is continuous.
References Cited (Backward Citations)
US3159428A
Cited
US2390878A
Cited
US2893096A
Cited
US3061374A
Cited
US3205008A
Cited
US3155425A
Cited
US3253860A
Cited
US3384148A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-05-02 | 1975-11-01 | 1976-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-02 | 1979-11-01 | 1980-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-02 | 1983-11-01 | 1984-05-02 | $7700.00 | Window Closed / Lapsed |