Amusement devices: toys – Construction toy
Patent
1997-01-29
1998-04-07
Hafer, Robert A.
Amusement devices: toys
Construction toy
446117, 446491, A63H 3304
Patent
active
057357234
ABSTRACT:
A set of blocks cut from the limbs and trunks of small trees is shown for making natural appearing stacks (20, 60). Each block has parallel upper and lower cuts (82, 84, 170, 171) across the blocks spaced a predetermined increment "I" or a multiple of increment "I" from each other. The remaining outer surfaces (90, 92) remain in their natural states complete with bark, protrusions, and other anomalies.
REFERENCES:
patent: D161318 (1950-12-01), Cooper
patent: 1483570 (1924-02-01), Brown
patent: 2508959 (1950-05-01), Marino
patent: 2590676 (1952-03-01), Bradley
patent: 4224881 (1980-09-01), Berry
patent: 4272908 (1981-06-01), Bassetti et al.
patent: 4594950 (1986-06-01), Morris
patent: 4639234 (1987-01-01), Atwood
patent: 5118539 (1992-06-01), Sebby et al.
Bob Thaves, "Frank & Ernest" cartoon, Washington Post, p. E16, Dec. 15, 1984.
Carlson Jeffrey D.
Hafer Robert A.
Masters Ted
Tyson Timothy T.
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