Patent US3787018A successfully refreshed from Google Patents.
US3787018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Base for an upright for forming a stand or the like
Assignee: RTC Industries Inc
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Filing: 1972-06-08
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Granted: 1974-01-22
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Expires: 1992-06-08
Abstract
Abstract A base for an upright for forming a display stand or the like, which base is formed of a plurality of legs which interlock with the upright without the use of any extraneous fastening elements and/or tools by the positioning of the legs in relation to the upright, and wherein the legs are readily detachable from the upright for the purpose of collapsing the base so that it occupies a minimum of space in a carton or storage area when collapsed, and which may be readily set up.
Inventors
- 👤 W Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:38
CPC Classifications
A; A47; A47F; A47F5/00; A47F5/10; A47F5/13; A47F5/04; A47F5/06; F; F16; F16M; F16M11/00; F16M11/20; F16M11/24; F16M11/26; F16M11/28; F16M2200/00; F16M2200/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
183 words
A base for an upright, which upright has an opening in the bottom thereof, a connector comprising a plate-like member having a central opening whereby said plate-like member is positioned on said upright above the bottom thereof and in spaced relation to the bottom, with said upright extending above said plate-like member, said plate-like member extending horizontally with the outer peripheral edge of said plate-like member extending outwardly of said upright, said plate-like member having a plurality of radially extending sleeves or pockets formed therein with the mouth of said sleeve or pocket adjacent the peripheral edge of the plate-like member, a plurality of leg members detachably secured to said upright and to said plate-like member, said leg members each having a substantially horizontal base and an upturned inner end which extends vertically and is positioned inside the bottom of the upright and an inclined portion with an inwardly extending horizontal portion, which inwardly extending horizontal portion is received in the sleeve or pocket of the plate-like member, said substantially horizontal base of said leg member being substantially parallel with said plate-like member.
Claim 2
Dependent Claim
183 words
A base for an upright, which upright has an opening in the bottom thereof, a connector comprising a plate-like member having a central opening whereby said plate-like member is positioned on said upright above the bottom thereof and in spaced relation to the bottom, with said upright extending above said plate-like member, said plate-like member extending horizontally with the outer peripheral edge of said plate-like member extending outwardly of said upright, said plate-like member having a plurality of radially extending sleeves or pockets formed therein with the mouth of said sleeve or pocket adjacent the peripheral edge of the plate-like member, a plurality of leg members detachably secured to said upright and to said plate-like member, said leg members each having a substantially horizontal base and an upturned inner end which extends vertically and is positioned inside the bottom of the upright and an inclined portion with an inwardly extending horizontal portion, which inwardly extending horizontal portion is received in the sleeve or pocket of the plate-like member, said substantially horizontal base of said leg member being substantially parallel with said plate-like member.
Claim 3
Dependent Claim
19 words
A structure as set forth in claim 1 in which the connector is slidable with respect to the upright.
Claim 4
Dependent Claim
62 words
A structure as set forth in claim 1 in which the connector is formed of a pair of plate-like members joined Together with each such plate-like member having a plurality of arcuate-shaped surfaces so that when the plate-like members are joined a circular sleeve or pocket is formed by said portions to receive the inwardly extending horizontal portion of the leg member.
Claim 5
Dependent Claim
62 words
A structure as set forth in claim 3 in which each of said plate-like members has an annular opening adapted to be received on the upright, with each of said annular openings bounded by an annular flange, with one of the flanges extending upwardly of the plane of the plate and the other flange extending downwardly of the plane of the plate.
Claim 6
Dependent Claim
43 words
A structure as set forth in claim 1 in which the connector has four spaced sleeves and in which four leg members are detachably secured to said upright and to said connector, with the legs equally spaced around said upright and said connector.
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |