US3960092A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Collapsible stool
Assignee: Lawrence Peska Associates Inc
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Filing: 1975-02-19
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Granted: 1976-06-01
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Expires: 1995-02-19
Abstract
Abstract A collapsible stool comprising: A. a tube having a first end and a second end; B. a first cap detachably mounted to the first end of the tube; C. a second cap detachably mounted to the second end of the tube; D. a plurality of leg supports radially and detachably mounted to the second cap; E. a plurality of support struts having first ends and second ends, extending radially from the tube and extending above the first end of the tube, detachably mounted at the first ends to the tube between the first end of the tube and the second end of the tube; F. a plurality of mounting means attached to the tube between the first end of the tube and the second end of the tube for detachably mounting the first ends of the support struts to the tube; G. a plurality of connecting struts pivotally connected to the second ends of the support struts wherein a plane surface is formed; and H. a seating surface attached to the plurality of connecting struts, wherein the tube has an inside diameter and a length of sufficient size to enclose the plurality of leg supports, support struts and connecting struts.
Inventors
- 👤 Nikola Levkovski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:06
CPC Classifications
A; A47; A47B; A47B3/00; A47B3/12; A47C; A47C4/00; A47C4/04; A47C4/18; A47B3/002; A47B2003/004; Y; Y10; Y10T; Y10T403/00; Y10T403/46
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
281 words
A collapsible stool comprising: a. a tube having a first end and a second end; b. a first cap detachably mounted to the first end of the tube; c. a second cap detachably mounted to the second end of the tube; d. a plurality of leg supports radially and detachably mounted to the second cap; e. A plurality of support struts having first ends extending radially from the tube and extending above the first end of the tube, detachably mounted at the first ends to the tube between the first end of the tube and the second end of the tube; f. a plurality of mounting means attached to the tube between the first end of the tube and the second end of the tube for detachably mounting the first ends of the support struts to the tube; g. a plurality of connecting struts pivotally connected to the second ends of the support struts wherein a plane surface is formed; and h. a plurality of radial connecting struts radially and pivotally mounted at one end to the first cap and pivotally connected at the second end of the support struts; i. a seating surface attached to the plurality of connecting struts; wherein the tube has an inside diameter and a length of sufficient size to enclose the plurality of leg supports, support struts, connecting struts and radial connecting struts and when the first cap is unmounted from the first end the support struts, connecting struts and radial connecting struts pivot below the first cap so that when the first cap is remounted on the first end, the support struts, connecting struts and radial connecting struts can be inserted in the tube.
Claim 2
Dependent Claim
281 words
A collapsible stool comprising: a. a tube having a first end and a second end; b. a first cap detachably mounted to the first end of the tube; c. a second cap detachably mounted to the second end of the tube; d. a plurality of leg supports radially and detachably mounted to the second cap; e. A plurality of support struts having first ends extending radially from the tube and extending above the first end of the tube, detachably mounted at the first ends to the tube between the first end of the tube and the second end of the tube; f. a plurality of mounting means attached to the tube between the first end of the tube and the second end of the tube for detachably mounting the first ends of the support struts to the tube; g. a plurality of connecting struts pivotally connected to the second ends of the support struts wherein a plane surface is formed; and h. a plurality of radial connecting struts radially and pivotally mounted at one end to the first cap and pivotally connected at the second end of the support struts; i. a seating surface attached to the plurality of connecting struts; wherein the tube has an inside diameter and a length of sufficient size to enclose the plurality of leg supports, support struts, connecting struts and radial connecting struts and when the first cap is unmounted from the first end the support struts, connecting struts and radial connecting struts pivot below the first cap so that when the first cap is remounted on the first end, the support struts, connecting struts and radial connecting struts can be inserted in the tube.
Claim 3
Dependent Claim
16 words
The collapsible stool of claim 1, wherein the caps are screwably mounted to the tube ends.
Claim 4
Dependent Claim
17 words
The collapsible stool of claim 1, wherein the leg supports are screwably mounted to the second cap.
Claim 5
Dependent Claim
39 words
The collapsible stool of claim 1, wherein the plurality of mounting means are comprised of slots in the tube and catch means attached to the first ends of the support struts for attaching the support struts to the slots.
Claim 6
Dependent Claim
19 words
The collapsible stool of claim 1, wherein there are four support struts, four connecting struts, and four leg supports.
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) | 1979-06-01 | 1979-12-01 | 1980-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-01 | 1983-12-01 | 1984-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-01 | 1987-12-01 | 1988-06-01 | $7700.00 | Window Closed / Lapsed |