Concessão da patente
#16.1
11/24/1987
RPI 892
The letters patent expired on 12/07/1993: 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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Y. I. (pessoa física)
Inventors
I. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/24/1987
RPI 892
#13.1
09/15/1987
RPI 882
07/14/1987
RPI 873
#12.2
09/16/1986
RPI 830
#9.2
06/03/1986
RPI 815
#7.1
09/24/1985
RPI 779
#4.1
02/12/1985
RPI 747
#3.1
10/02/1984
RPI 728
#2.1
04/19/1983
RPI 652
#21.1
12/07/1993
RPI 1201
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Same category
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