Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8204076Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Ppg Industries, Inc.
US
Inventors
T. M. (pessoa física)
US
W. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/26/1989
RPI 988
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07/11/1989
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03/07/1989
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08/16/1988
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04/16/1985
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#4.1
09/11/1984
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#3.1
07/05/1983
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 59/14; C08G 81/00; C08L 63/00; C09D 5/40.
03/27/2018
RPI 2464
#21.1
Patente extinta em 14/07/97
07/01/2008
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From the same holder
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