Patent US4353700A successfully refreshed from Google Patents.
US4353700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Educational learning aid
Assignee: Individual
•
Filing: 1981-03-19
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Granted: 1982-10-12
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Expires: 2001-03-19
Abstract
Abstract An educational learning aid for teaching children the letters of the alphabet, numbers and other symbols in their proper sequence. The educational learning aid includes a plastic face cover having openings conforming to the shape of the letters, numbers and the like. A metallic backing plate, on which indicia may be applied to create better visualization of the openings in the face cover, is coupled beneath the cover plates. A plurality of separate pieces in the form of letters or numbers conforming to the array of the openings in the plastic cover are provided to permit insertion by a child. The letters include a magnetic element to effect attachment of an individual piece to the metallic backing plate when placed in its proper position.
Inventors
- 👤 John A. Volakakis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:24
CPC Classifications
G; G09; G09B; G09B17/00; G09B1/00; G09B1/02; G09B1/04; G09B1/06; G09B1/08
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
147 words
An educational aid assembly comprising: cover means having an upper face, said face having a plurality of openings therethrough and defining a respective symbol in a predetermined order, said openings adapted to receive a separate piece corresponding to said respective symbols, a plurality of pieces corresponding to the configuration of said openings for respective insertion therein, flange means integrally attached to said cover means beneath said face, said flange means having a downwardly disposed surface arranged immediately adjacent said opening and defining at least a portion of said opening beneath said face, backing means detachably coupled to said cover means and positioned beneath said plurality of openings, said face is in the form of an elongated surface having an arcuate configuration, and said backing means includes indicia situated beneath each of said plurality of openings outlining the shape thereof to provide enhanced visualization of said respective symbols.
Claim 2
Dependent Claim
147 words
An educational aid assembly comprising: cover means having an upper face, said face having a plurality of openings therethrough and defining a respective symbol in a predetermined order, said openings adapted to receive a separate piece corresponding to said respective symbols, a plurality of pieces corresponding to the configuration of said openings for respective insertion therein, flange means integrally attached to said cover means beneath said face, said flange means having a downwardly disposed surface arranged immediately adjacent said opening and defining at least a portion of said opening beneath said face, backing means detachably coupled to said cover means and positioned beneath said plurality of openings, said face is in the form of an elongated surface having an arcuate configuration, and said backing means includes indicia situated beneath each of said plurality of openings outlining the shape thereof to provide enhanced visualization of said respective symbols.
Claim 3
Dependent Claim
25 words
The educational aid assembly according to claim 1 wherein said plurality of openings outline the shape of the letters of the alphabet in proper order.
Claim 4
Dependent Claim
20 words
The educational aid assembly according to claim 1 wherein said cover means includes post means detachably supporting said backing means.
Claim 5
Dependent Claim
22 words
The educational aid assembly according to claim 3 wherein said backing means is detachably supported with a notch within said post means.
Claim 6
Dependent Claim
27 words
The educational aid assembly according to claim 4 wherein said post means includes a plurality of posts having a respective notch for detachably receiving said backing means.
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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) | 1985-10-11 | 1986-04-12 | 1986-10-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-10-11 | 1990-04-12 | 1990-10-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-10-11 | 1994-04-12 | 1994-10-12 | $7700.00 | Window Closed / Lapsed |