Concessão da patente
#16.1
04/25/1989
RPI 966
The patent was granted on 04/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC
Inventors
L. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
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