US3836217A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Box shaped furniture unit
Assignee: Individual
•
Filing: 1972-08-02
•
Granted: 1974-09-17
•
Expires: 1992-08-02
Abstract
Abstract A box-shaped furniture unit having an open front, a top board, right and left side boards, a bottom board, and a back board, all of which are interengaged with each other, the unit being able to be connected to a plurality of other furniture units so as to form various vertical and horizontal arrays.
Inventors
- 👤 S Shiina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:40
CPC Classifications
A; A47; A47B; A47B47/00; A47B47/0025; A47B47/0041; Y; Y10; Y10T; Y10T403/00; Y10T403/46; Y10T403/4602; Y10T403/70; Y10T403/7045
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
98 words
A box-shaped furniture unit comprising: an upper board, right and left side boards, and a bottom board; means interengaged with each other for interconnecting and Supporting each of the ends of said boards at a right angle, said means being disposed upon both ends of each of said boards; channels disposed upon said connecting means in parallel with the end surfaces of said boards; and a retaining means for holding together each of the corners of the box unit, said retaining means being inserted within said channels of said connecting means so as to cover said connecting means.
Claim 2
Dependent Claim
98 words
A box-shaped furniture unit comprising: an upper board, right and left side boards, and a bottom board; means interengaged with each other for interconnecting and Supporting each of the ends of said boards at a right angle, said means being disposed upon both ends of each of said boards; channels disposed upon said connecting means in parallel with the end surfaces of said boards; and a retaining means for holding together each of the corners of the box unit, said retaining means being inserted within said channels of said connecting means so as to cover said connecting means.
Claim 3
Dependent Claim
44 words
A box-shaped furniture unit as set forth in claim 1, wherein said means for interconnecting each of the ends of said boards comprises a plurality of uniformly spaced teethlike projections disposed upon said end surfaces of said boards for substantially the entire length thereof.
Claim 4
Dependent Claim
39 words
A box-shaped furniture unit as set forth in claim 1, wherein said means for interconnecting each of the ends of said boards comprises triangular projections extending along said end surfaces of said boards for substantially the entire length thereof.
Claim 5
Dependent Claim
40 words
A box-shaped furniture unit as set forth in claim 1, wherein said retaining means includes a substantially L-shaped body having at least two leg members with lips projecting at a right angle relative to said leg members of said body.
Claim 6
Dependent Claim
40 words
A box-shaped furniture unit as set forth in claim 1, wherein said retaining means includes a substantially cruciform body having at least two leg members with lips projecting at a right angle relative to said leg members of said body.
Claim 7
Dependent Claim
40 words
A box-shaped furniture unit as set forth in claim 1, wherein said retaining means includes a substantially T-shaped body having at least two leg members with lips projecting at a right angle relative to said leg members of said body.
References Cited (Backward Citations)
US282483A
Cited
US682621A
Cited
US945605A
Cited
US2752215A
Cited
FR1311988A
Cited
US3203744A
Cited
US3429631A
Cited
US3458242A
Cited
US3563624A
Cited
US3661434A
Cited
US3722704A
Cited
US3672739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-09-16 | 1978-03-18 | 1978-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-16 | 1982-03-18 | 1982-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-16 | 1986-03-18 | 1986-09-17 | $7700.00 | Window Closed / Lapsed |