Magnetic toy cart

Details Magnetic toy cart Magnetic toy cart

1982-11-15

1984-08-07

Grieb, William H.

Education and demonstration

Question or problem eliciting response

Correctness of response indicated to examine by...

446129, 273 1M, G09B 108, A63H 3326

Patent

active

044641257

ABSTRACT:
A toy is provided including individual receiving means each having magnetic means, and being marked with an identifying indicia. The receiving means are adapted to receive insertion means having magnetic means and are marked with identifying indicia matching the identifying indicia of at least one of the individual receiving means, such that the magnetic means of receiving and insertion means having matching identifying indicia repel one another.

REFERENCES:
patent: 2707106 (1955-04-01), Cunningham
patent: 2961796 (1960-11-01), Davis
patent: 3074206 (1963-01-01), Fischl-Bernfi et al.
patent: 3134595 (1964-05-01), Chenoweth et al.
patent: 3217446 (1965-11-01), Stiert
patent: 3496653 (1970-02-01), Wolfner
patent: 3550936 (1970-12-01), Puttick
patent: 3625514 (1971-12-01), Haaland
patent: 4102038 (1978-07-01), Eagan
patent: 4286952 (1981-09-01), Roche
patent: 4295832 (1981-10-01), Karell
"Space Trix", Advertisement of H. Fislove & Co., 1 page.
Welch Scientific Apparatus and Supplies, Title Page and Page 171.

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