300
03/15/1988
RPI 908
The letters patent expired on 11/15/1994: 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: 03/15/1988. We update with every new RPI gazette, published weekly.
Applicants
P. L. (pessoa física)
P. D. (pessoa física)
Inventors
P. L. (pessoa física)
P. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/15/1988
RPI 908
10/27/1987
RPI 888
#17.1
06/02/1987
RPI 867
#16.1
11/25/1986
RPI 840
#13.1
07/08/1986
RPI 820
04/01/1986
RPI 806
#12.1
08/20/1985
RPI 774
#9.1
05/07/1985
RPI 759
#6.1
11/20/1984
RPI 735
#4.1
05/03/1983
RPI 654
#3.2
12/14/1982
RPI 634
#2.1
09/14/1982
RPI 621
#21.1
11/15/1994
RPI 1250
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Same category
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