Patent US3658382A successfully refreshed from Google Patents.
US3658382A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Module frames for standardized upholstery type furniture and method of constructing and assembling same
Assignee: Shell USA Inc
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Filing: 1970-04-02
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Granted: 1972-04-25
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Expires: 1990-04-02
Abstract
Abstract A standardized frame assembly for a sofa or chair comprising a standardized seat frame and back frame of a synthetic resin, the frames including projections and complementing slots for ease of manufacture, added strength and for allowing economical assembly with each other and accessory pieces such as a set of legs and side panels which give the sofa or chair its styling characteristic. The frames may be embodied as one piece elements, as a set of elongated elements and corner mounts or as a closed metal loop with elongated elements to give the frame a body to attach upholstery.
Inventors
- 👤 Victor F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/028; A47C5/00; A47C5/12; F; F16; F16B; F16B12/00; Y; Y10; Y10T; Y10T403/00; Y10T403/44; Y10T403/447
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
167 words
An article of sitting type furniture comprising: a seat frame having side portions, a front portion, and a rear portion, means for attaching front legs to the respective front corners of said seat frame; a back frame having a width essentially equal to the length of said rear portion of said seat frame; means for attaching the lower end of said back frame to the rear side of said rear portion of said seat frame, the lower corners of said back frame being cut out so as to provide corner spaces for rear legs immediately to the rear of the corners of said seat frame; a pair of rear legs; and means for fastening the upper end of each rear leg both to the rear vertical wall of the seat frame and to the vertical end wall of the lower end of said back frame while the upper end of each rear leg engages underneath the portion of said back frame which overhangs the respective corner cut-out.
Claim 2
Dependent Claim
167 words
An article of sitting type furniture comprising: a seat frame having side portions, a front portion, and a rear portion, means for attaching front legs to the respective front corners of said seat frame; a back frame having a width essentially equal to the length of said rear portion of said seat frame; means for attaching the lower end of said back frame to the rear side of said rear portion of said seat frame, the lower corners of said back frame being cut out so as to provide corner spaces for rear legs immediately to the rear of the corners of said seat frame; a pair of rear legs; and means for fastening the upper end of each rear leg both to the rear vertical wall of the seat frame and to the vertical end wall of the lower end of said back frame while the upper end of each rear leg engages underneath the portion of said back frame which overhangs the respective corner cut-out.
Claim 3
Dependent Claim
38 words
An article of furniture as claimed in claim 1 wherein said fastening means includes lateral projections formed on the upper end of each rear leg and corresponding slots formed in both said seat frame and said back frame.
Claim 4
Dependent Claim
29 words
An article of furniture as claimed in claim 2 wherein all of said members are made of relatively rigid plastic material and are essentially hollow having thin exterior walls.
Claim 5
Dependent Claim
45 words
An article of furniture as claimed in claim 2 wherein the lower end of said back frame, and the rear wall of said rear portion of said seat frame, are provided with interengaging projections and slots for attaching said back frame to said seat frame.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-04-25 | 1975-10-25 | 1976-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-04-25 | 1979-10-25 | 1980-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-04-25 | 1983-10-25 | 1984-04-25 | $7700.00 | Window Closed / Lapsed |