Concessão da patente
#16.1
10/24/1989
RPI 992
The letters patent expired on 04/18/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
PPG Industries, Inc.
US
Inventors
J. B. (pessoa física)
US
R. C. (pessoa física)
US
S. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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10/24/1989
RPI 992
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