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US3734033A
Expired / Lapsed
US
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Knock-down display structure
Assignee: Individual
•
Filing: 1971-05-06
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Granted: 1973-05-22
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Expires: 1991-05-06
Abstract
Abstract There is disclosed a structure that may be readily set up or disassembled for transportation and which comprises three basic structural pieces interrelated by detachable connector means to form a variety of strong, self-supporting displays.
Inventors
- 👤 J Downing
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:10
CPC Classifications
A; A47; A47B; A47B47/00; A47B87/00; A47B87/02; A47B87/0207; A47B87/0215
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
142 words
A knock-down display structure having at least two spaced apart, sectionalized frames, each frame comprising a number of Ushaped components each having a pair of spaced, upstanding tubular legs of cylindrical cross section, a cross-bar rigidly connecting together the common lower end portions of said pair of legs, a pin fixed in and projecting downwardly from each of said leg end portions, the opposed ends of the legs forming sockets to telescopically receive the pins on the next superjacent component, a number of upstanding panels, leg engaging spring clips of semi-circular configurations secured to the corner portions of each panel, opposed spring clips being adapted to detachably engage and snap, over-center around the exterior faces of adjacent legs, and a shelf member having a series of downwardly open notches on the underside end portions to engage upon the cross-bars on adjacent frames.
Claim 2
Dependent Claim
142 words
A knock-down display structure having at least two spaced apart, sectionalized frames, each frame comprising a number of Ushaped components each having a pair of spaced, upstanding tubular legs of cylindrical cross section, a cross-bar rigidly connecting together the common lower end portions of said pair of legs, a pin fixed in and projecting downwardly from each of said leg end portions, the opposed ends of the legs forming sockets to telescopically receive the pins on the next superjacent component, a number of upstanding panels, leg engaging spring clips of semi-circular configurations secured to the corner portions of each panel, opposed spring clips being adapted to detachably engage and snap, over-center around the exterior faces of adjacent legs, and a shelf member having a series of downwardly open notches on the underside end portions to engage upon the cross-bars on adjacent frames.
Claim 3
Dependent Claim
35 words
A knock-down display structure as set forth in claim 1 wherein the spring clips on the corners of adjacent panels are vertically offset one to the other to grip contiguous portions of the same leg.
Claim 4
Dependent Claim
53 words
A knock-down display structure set forth in claim 1 wherein the cross bar has each end portion connected to an intermediate portion of a spaced apart pin, one portion of each pin being swaged in an end of each leg and the opposed end of each pin projecting downwardly from the cross bar.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-21 | 1976-11-20 | 1977-05-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-21 | 1980-11-20 | 1981-05-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-21 | 1984-11-20 | 1985-05-22 | $7700.00 | Window Closed / Lapsed |