Concessão da patente
#16.1
12/31/1985
RPI 793
The letters patent expired on 09/24/1996: 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: 12/31/1985. We update with every new RPI gazette, published weekly.
Applicants
R. C. (pessoa física)
US
Inventors
H. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/31/1985
RPI 793
#13.1
09/24/1985
RPI 779
#9.1
06/11/1985
RPI 764
01/22/1985
RPI 744
#6.1
05/02/1984
RPI 706
#4.1
11/08/1983
RPI 681
#21.1
09/24/1996
RPI 1347
#20.1
05/22/1990
RPI 1019
From the same holder
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