Thermostat-powered propulsion unit for toy vehicles
United States Patent 2984974
US Patent References:
/0118151.html
- - 0118151

Process and device for obtaining a reciprocating movement
- - 1481270

Toy boat
- - 1993670

Heat actuated device
- - 2471240

/2572162.html
- - 2572162


Inventors:
Bell, Keith L.
Publication Date:
05/23/1961
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Assignee:
Eugene, Purdy H.
Primary Class:
60/221
Other Classes:
446/164, 43/3
International Classes:
A63H23/04; A63H23/00
US Patent References:
2681656Animated ash tray
2687005Heat-actuated device for imparting oscillating motion
2881558Solar powered toy boat