1979-09-21
1981-09-08
Pinkham, Richard C.
Undertaking
A63J 2100
Patent
active
042880726
ABSTRACT:
An illusion creating device comprises a support structure having a support edge encircling an aperture and a flat element. An elastic membrane is supported on the support edge and is stretched over the flat element to a degree wherein a supporting segment of the membrane underlies a portion of the element and supports it. The flat element is viewable through the membrane so as to appear to be disposed on top of the membrane. Pressing the stretched membrane over the flat element causes the element to be released from the membrane, thereby creating the illusion that the flat element passed through the membrane.
REFERENCES:
patent: 513450 (1894-01-01), Armstrong
patent: 565254 (1896-08-01), Baer
patent: 726615 (1903-04-01), Armstrong
patent: 787535 (1905-04-01), McGrath
patent: 2199818 (1940-05-01), Franke
Feldman Marvin
Feldman Stephen E.
Kramer Arnold W.
Pinkham Richard C.
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