Patent US3974626A successfully refreshed from Google Patents.
Patent US4047309A successfully refreshed from Google Patents.
US4047309A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Information demonstration device
Assignee: Individual
•
Filing: 1975-11-03
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Granted: 1977-09-13
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Expires: 1995-11-03
Abstract
Abstract A portable device for demonstrating information including a receptacle with bottom and side walls. A lid is pivotably mounted on a side wall of the receptacle and a support element is mounted on the opposite edge of the lid. Leaf elements such as felt boards and peg boards are pivotably disposed at the intersection of the lid and support element.
Inventors
- 👤 Patricia Diane Royko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 21:40
CPC Classifications
A; A47; A47B; A47B41/00; A47B41/02; A47B2200/00; A47B2200/0035; A47B2200/004; A47B2200/0043
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
103 words
A portable device for demonstrating information, comprising: a. a receptacle structure comprising a bottom and side walls; b. a lid element pivotably mounted at a first edge, thereof on a first side wall of said receptacle structure; c. a support element pivotably mounted at an edge thereof on an opposite second edge of said lid element; d. said receptacle structure comprising means for engaging a second opposite edge portion of said support element; e. plural retractable legs attached to said receptacle structure; and at least one leaf element pivotably disposed at an edge portion thereof at said second edge of said lid element.
Claim 2
Dependent Claim
103 words
A portable device for demonstrating information, comprising: a. a receptacle structure comprising a bottom and side walls; b. a lid element pivotably mounted at a first edge, thereof on a first side wall of said receptacle structure; c. a support element pivotably mounted at an edge thereof on an opposite second edge of said lid element; d. said receptacle structure comprising means for engaging a second opposite edge portion of said support element; e. plural retractable legs attached to said receptacle structure; and at least one leaf element pivotably disposed at an edge portion thereof at said second edge of said lid element.
Claim 3
Dependent Claim
13 words
A device as in claim 1, wherein said engaging means comprising a ledge.
Claim 4
Dependent Claim
23 words
A device as in claim 1, wherein at least one of said lid element, support element, and leaf element comprises a peg board.
Claim 5
Dependent Claim
23 words
A device as in claim 1, wherein at least one of said lid element, support element, and leaf element comprises a felt board.
Claim 6
Dependent Claim
25 words
A device as in claim 1, wherein at least one of said lid element, support element, and leaf element comprises means for retaining paper thereon.
Claim 7
Dependent Claim
23 words
A device as in claim 1, wherein at least one of said lid element, support element, and leaf element comprises a chalk board.
Claim 8
Dependent Claim
42 words
A device as in claim 1, wherein said lid element and support element are angularly disposed with respect to each other and with said receptacle structure so that said support and lid elements and said receptacle structure together have a triangular profile.
Claim 9
Dependent Claim
41 words
A device as in claim 1, wherein at least one of said lid element, support element, and leaf element cut out portions in the form of certain information and cut out pieces removably disposed in said portions, thereby forming a composite.
Claim 10
Dependent Claim
20 words
A device as in claim 8, wherein said element comprises backing means for retaining said cut out pieces in position.
Claim 11
Dependent Claim
22 words
A device as in claim 1, wherein said engaging means is disposed at a second opposite side wall of said receptacle structure.
Claim 12
Dependent Claim
33 words
A device as in claim 10, wherein said second side wall comprises an inside surface portion facing the interior of said receptacle structure and said engaging means is disposed at said surface portion.
Claim 13
Dependent Claim
36 words
A device as in claim 11, wherein said second side wall comprises an outside surface portion at the exterior of said receptacle structure and said device further comprises handle means located at said outside surface portion.
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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) | 1980-09-12 | 1981-03-14 | 1981-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-12 | 1985-03-14 | 1985-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-12 | 1989-03-14 | 1989-09-13 | $7700.00 | Window Closed / Lapsed |