Concessão da patente
#16.1
03/17/1987
RPI 856
The letters patent expired on 11/22/1994: 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: 03/17/1987. We update with every new RPI gazette, published weekly.
Applicants
C. R. (pessoa física)
C. Z. (pessoa física)
R. Z. (pessoa física)
SP, BR
Inventors
R. C. (pessoa física)
Z. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/17/1987
RPI 856
09/23/1986
RPI 831
#13.1
08/26/1986
RPI 827
#9.1
04/22/1986
RPI 809
03/04/1986
RPI 802
#4.1
05/02/1984
RPI 706
#3.2
02/21/1984
RPI 696
#2.1
05/17/1983
RPI 656
#21.1
11/22/1994
RPI 1251
From the same holder
Same category
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