Patent US3813841A successfully refreshed from Google Patents.
US3813841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cuboidal structures
Assignee: Individual
•
Filing: 1971-11-18
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Granted: 1974-06-04
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Expires: 1991-11-18
Abstract
Abstract The present invention relates to the assembling matters such as blocks which are solid and stout and have excellent fittability or joinability to one another, such matters being capable of forming face plates of perfectly same configuration adapted to constitute the respective sides or faces of a six-sided cubic structure which can be easily assembled or disassembled and which can be utilized for a variety of purposes such as for building, construction, many types of utensiles, structures, toys and so forth.
Inventors
- 👤 S Tsurumi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:10
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/06; A63H33/08; A63H33/082; F; F16; F16S; F16S5/00; A63F; A63F9/00; A63F9/06; A63F9/10; A63F9/12
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
103 words
A cuboidal structure comprising siX face plate units, at least four of said face plate units each having at least one end linking portion which is identical to at least one end linking portion of the other three of said four face plate units, each face plate unit being linked to four other of said face plate units in the form of a cuboidal structure, each of said face plate units comprising at least two identical members each having a recess and said members being positioned transversely relative to one another with their recessed portions overlapping one another providing a cross-shaped face plate.
Claim 2
Dependent Claim
103 words
A cuboidal structure comprising siX face plate units, at least four of said face plate units each having at least one end linking portion which is identical to at least one end linking portion of the other three of said four face plate units, each face plate unit being linked to four other of said face plate units in the form of a cuboidal structure, each of said face plate units comprising at least two identical members each having a recess and said members being positioned transversely relative to one another with their recessed portions overlapping one another providing a cross-shaped face plate.
Claim 3
Dependent Claim
117 words
A cuboidal structure comprising six face plate units, each of said face plate units consisting of crossed-elements, each said element consisting of a plurality of rectangular members positioned side by side with each member having a recess located at a position toward one end from the center of the longitudinal axis of said member and with the recesses of all of said members being aligned transversely of said members with the end portions, of said members being offset, each face plate having the recesses of its crossed-elements overlapping and the crossed-elements of each face plate having their end portions mating with end portions of others of said face plates crossed-elements in the shape of a cuboidal structure.
Claim 4
Dependent Claim
117 words
A cuboidal structure comprising six face plate units, each of said face plate units consisting of crossed-elements, each said element consisting of a plurality of rectangular members positioned side by side with each member having a recess located at a position toward one end from the center of the longitudinal axis of said member and with the recesses of all of said members being aligned transversely of said members with the end portions, of said members being offset, each face plate having the recesses of its crossed-elements overlapping and the crossed-elements of each face plate having their end portions mating with end portions of others of said face plates crossed-elements in the shape of a cuboidal structure.
Claim 5
Dependent Claim
30 words
A cuboidal structure as claimed in claim 2 wherein each face plate crossed-element has at least one of said rectangular members between at least two others of said rectangular members.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-06-03 | 1977-12-03 | 1978-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-06-03 | 1981-12-03 | 1982-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-06-03 | 1985-12-03 | 1986-06-04 | $7700.00 | Window Closed / Lapsed |