Concessão da patente
#16.1
11/29/1988
RPI 945
Application data
Number
PI8103991Type
Filing
Publication
The patent was granted on 11/29/1988 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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
PPG INDUSTRIES INC
Inventors
A. C. (pessoa física)
B. W. (pessoa física)
K. J. (pessoa física)
L. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1988
RPI 945
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09/06/1988
RPI 933
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RPI 740
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05/02/1984
RPI 706
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RPI 594
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02/04/1992
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