Patent US3784254A successfully refreshed from Google Patents.
US3784254A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pre-stamped seating device
Assignee: Individual
•
Filing: 1972-05-15
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Granted: 1974-01-08
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Expires: 1992-05-15
Abstract
Abstract A chair made of prestamped synthetic plastic material, having underneath the seat a plurality of sleeves with frusto-conical scored or knurled regions, which accept thereon mating threaded regions provided in the upper extremities of the chair''s legs. The basis of the scored or knurled region in the legs forms an annular ledge for perfect assembly due to the smaller diameter of the scored or knurled region in the leg.
Inventors
- 👤 G Longato
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:59
CPC Classifications
A; A47; A47C; A47C4/00; A47C4/02; A47C4/03; A47C5/00; A47C5/12; Y; Y10; Y10S; Y10S297/00; Y10S297/02
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
142 words
An improved, molded plastic article of furniture comprising: a support surface; a plurality of internally frusto-conical tubular sleeves extending downwardly from said support surface; a frusto-conical, scored region on the internal surface of each of said plurality of sleeves; a plurality of legs corresponding in number to said plurality of sleeves; an external, frusto-conical extremity on each of said legs, each said extremity having a cylindrical, scored region thereon; the outside diameter of said scored region of each said leg being smaller than the outside diameter of said leg thus forming an annular ledge on the base of said scored region, said scored region on the external extremity of each said leg being axially forced during assembly into said respective sleeve and snapped over said internally scored region thereof for defining a forced mating between each said sleeve and each said leg.
Claim 2
Dependent Claim
142 words
An improved, molded plastic article of furniture comprising: a support surface; a plurality of internally frusto-conical tubular sleeves extending downwardly from said support surface; a frusto-conical, scored region on the internal surface of each of said plurality of sleeves; a plurality of legs corresponding in number to said plurality of sleeves; an external, frusto-conical extremity on each of said legs, each said extremity having a cylindrical, scored region thereon; the outside diameter of said scored region of each said leg being smaller than the outside diameter of said leg thus forming an annular ledge on the base of said scored region, said scored region on the external extremity of each said leg being axially forced during assembly into said respective sleeve and snapped over said internally scored region thereof for defining a forced mating between each said sleeve and each said leg.
Claim 3
Dependent Claim
26 words
The device according to claim 1, wherein said scored region of said leg is cylindrically shaped, while said scored region of said sleeve is frusto-conically shaped.
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) | 1977-01-07 | 1977-07-09 | 1978-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-07 | 1981-07-09 | 1982-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-07 | 1985-07-09 | 1986-01-08 | $7700.00 | Window Closed / Lapsed |