Patent US3726026A successfully refreshed from Google Patents.
US3726026A
Expired / Lapsed
US
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Magnetic educational toy
Assignee: Lee Raymond Organization Inc
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Filing: 1971-11-17
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Granted: 1973-04-10
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Expires: 1991-11-17
Abstract
Abstract An educational toy for young children consisting of a magnetized board in which objects may be fastened which are cut-out in the shape of characters of childrens'' stories or cut-out in the shape of animals, etc. The magnetic board is fabricated of a non-metal base in which iron wires terminating in magnets are embedded. The objects to be fastened to the board may be fabricated of a soft steel, or of non-magnetic material with embedded bits of soft iron or steel.
Inventors
- 👤 E Borcherding
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:54
CPC Classifications
G; G09; G09B; G09B1/00; G09B1/02; G09B1/04; G09B1/06; G09B1/08
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
90 words
An educational toy for children consisting of a magnetized board which attracts and holds objects of iron or iron backing, consisting of a board of non-ferrous material in which parallel iron wires are embedded, said wires terminating at the poles of magnets, with each wire terminating at similar poles of magnet at each end of said wire, with both adjacent wires terminating at the corresponding opposite pole of a magnet, so as to create magnetic attraction between adjacent embedded wires and any object containing iron or other magnetic permeable material.
Claim 2
Dependent Claim
90 words
An educational toy for children consisting of a magnetized board which attracts and holds objects of iron or iron backing, consisting of a board of non-ferrous material in which parallel iron wires are embedded, said wires terminating at the poles of magnets, with each wire terminating at similar poles of magnet at each end of said wire, with both adjacent wires terminating at the corresponding opposite pole of a magnet, so as to create magnetic attraction between adjacent embedded wires and any object containing iron or other magnetic permeable material.
Claim 3
Dependent Claim
16 words
The device described in claim 1 together with shaped forms, which contain embedded sections of iron.
Claim 4
Dependent Claim
17 words
The device described in claim 2 in the form of a board mounted on a child''s backboard.
Claim 5
Dependent Claim
17 words
The device described in claim 2 in the form of a board mounted on a child''s playtable.
Claim 6
Dependent Claim
18 words
The device described in claim 2 mounted to flexible suction cups adaptable to fastening to a flat surface.
Claim 7
Dependent Claim
21 words
The device described in claim 2 with hinge sections parallel to said embedded wires so as to be adaptable to folding.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-04-09 | 1976-10-09 | 1977-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-09 | 1980-10-09 | 1981-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-09 | 1984-10-09 | 1985-04-10 | $7700.00 | Window Closed / Lapsed |