Solicitação de exame técnico
#4.1
06/14/1988
RPI 921
Application data
Number
PI8503600Type
Filing
Publication
The application was refused by the INPI on 03/26/1991. The invention was never patented.
Talk to a specialistLatest action published by the INPI: 06/14/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC [US]
Inventors
S. E. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/14/1988
RPI 921
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RPI 810
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09/24/1985
RPI 779
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RPI 1060
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