Card – picture – or sign exhibiting – Calendars
Patent
1976-02-02
1977-05-17
Pitrelli, John F.
Card, picture, or sign exhibiting
Calendars
G09F 1900
Patent
active
040232891
ABSTRACT:
A liquid vehicle, holding metallic particles in sustained suspension and usable for viewable aesthetic display purposes, the vehicle being a solution of water, soap, and optional coloring agent.
REFERENCES:
patent: 1458050 (1923-06-01), Chester
patent: 3432941 (1969-03-01), Minchom
patent: 3522186 (1970-06-01), Cambre
patent: 3531635 (1970-09-01), Hancock
patent: 3593444 (1971-07-01), Akrongold et al.
Kintzinger Warren H.
Pitrelli John F.
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