Concessão da patente
#16.1
03/27/1984
RPI 701
The letters patent expired on 06/21/1994: 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: 03/27/1984. We update with every new RPI gazette, published weekly.
Applicants
PENNWALT CORP
Inventors
B. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/27/1984
RPI 701
#13.1
01/03/1984
RPI 689
#9.1
09/20/1983
RPI 674
#6.1
03/01/1983
RPI 645
06/01/1982
RPI 606
#4.1
12/01/1981
RPI 580
#21.1
06/21/1994
RPI 1229
11/26/1991
RPI 1095
From the same holder
Same category
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