Conhecimento de parecer técnico
#7.1
03/28/1989
RPI 962
Application data
Number
PI8402087Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 03/28/1989. We update with every new RPI gazette, published weekly.
Applicants
C. D. (pessoa física)
MG, BR
Inventors
F. A. (pessoa física)
BR
J. P. (pessoa física)
BR
M. M. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#7.1
03/28/1989
RPI 962
#4.1
06/02/1987
RPI 867
#3.1
12/10/1985
RPI 790
#2.1
07/10/1984
RPI 716
#21.1
Patente extinta em 04/05/99
07/08/2008
RPI 1957
#16.1
10/30/1990
RPI 1039
#13.1
06/19/1990
RPI 1023
#9.1
03/01/1990
RPI 1007
From the same holder
Same category
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