15.19
10/13/1987
RPI 886
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: 10/13/1987. We update with every new RPI gazette, published weekly.
Applicants
A. G. (pessoa física)
Inventors
G. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/13/1987
RPI 886
#15.3
09/15/1987
RPI 882
#16.1
03/31/1987
RPI 858
#13.1
11/04/1986
RPI 837
#9.1
07/08/1986
RPI 820
#6.1
09/24/1985
RPI 779
#4.1
02/12/1985
RPI 747
#3.1
03/29/1983
RPI 649
#21.1
11/22/1994
RPI 1251
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Same category
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