18.8
10/18/1988
RPI 939
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: 10/18/1988. We update with every new RPI gazette, published weekly.
Applicants
KASSUGA BRASIL IND PAPEL LTD [BR]
Inventors
K. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/18/1988
RPI 939
#18.2
07/12/1988
RPI 925
#16.1
10/29/1986
RPI 836
#13.1
07/15/1986
RPI 821
#9.1
03/18/1986
RPI 804
#15.11
09/24/1985
RPI 779
#6.1
06/18/1985
RPI 765
#4.1
02/16/1983
RPI 643
#3.2
10/19/1982
RPI 626
#2.1
08/31/1982
RPI 619
#21.1
12/07/1993
RPI 1201
Same category
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