US3734032A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stand for books and other articles
Assignee: NAT WIRE IND Inc
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Filing: 1971-09-02
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Granted: 1973-05-22
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Expires: 1991-09-02
Abstract
Abstract A stand having at least two vertical end frames each having a pair of tubular legs with the tubular legs each having at least one opening along its length to receive hook shaped extensions on a lower shelf to be supported between the frames and an upper shelf having means engaging the upper ends of the legs to secure the frames in engagement with the lower shelf and form a rigid structure.
Inventors
- 👤 J Kovacik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 05:50
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/0083
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
122 words
A stand comprising at least two vertical end frames positioned in spaced parallel relationship, each of said frames having at least two tubular legs each of which having at least one opening therein adjoining one end thereof, a first shelf having hooked shaped means extending from the ends thereof for engagement with said openings by tilting the end frames relative to the shelf to engage the hooked shaped means so that the end frames when in their vertical positions lock the shelf in position therebetween, and a second shelf including downwardly extending means extending into and engaging the other ends of said legs to maintain said end frames in their vertical positions and affix the last said shelf to said end frames.
Claim 2
Dependent Claim
122 words
A stand comprising at least two vertical end frames positioned in spaced parallel relationship, each of said frames having at least two tubular legs each of which having at least one opening therein adjoining one end thereof, a first shelf having hooked shaped means extending from the ends thereof for engagement with said openings by tilting the end frames relative to the shelf to engage the hooked shaped means so that the end frames when in their vertical positions lock the shelf in position therebetween, and a second shelf including downwardly extending means extending into and engaging the other ends of said legs to maintain said end frames in their vertical positions and affix the last said shelf to said end frames.
Claim 3
Dependent Claim
32 words
A stand according to claim 1 wherein said tubular legs are each provided with additional openings, and at least one other shelf having a plurality of extensions thereon engaging said additional openings.
Claim 4
Dependent Claim
49 words
A stand according to claim 1 wherein each of said tubular legs are open at at least one end thereof, said upper shelf has a plurality of downwardly extending cylindrical connectors thereon, and said connectors have roughened surfaces frictionally engaging the openings in the ends of the tubular legs.
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 |