Solicitação de exame técnico
#4.1
12/20/1988
RPI 948
Application data
Number
PI8606484Type
Filing
Publication
The application was allowed on 09/21/1993 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.
Talk to a specialistLatest action published by the INPI: 12/20/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC [US]
Inventors
G. K. (pessoa física)
US
R. S. (pessoa física)
US
W. W. (pessoa física)
US
IPC Classification
Priority claims
US
815.494 · 01/02/1986
US
894.143 · 08/07/1986
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