100
10/31/1989
RPI 993
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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
H. L. (pessoa física)
SC, BR
Inventors
H. L. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
10/31/1989
RPI 993
08/15/1989
RPI 982
02/21/1989
RPI 957
#12.2
08/23/1988
RPI 931
#9.2
01/19/1988
RPI 900
#5.1
08/11/1987
RPI 877
#4.1
04/22/1987
RPI 861
#3.1
05/06/1986
RPI 811
#2.1
12/18/1984
RPI 739
#21.1
11/22/1994
RPI 1251
03/05/1991
RPI 1057
#17.1
09/04/1990
RPI 1031
#16.1
06/26/1990
RPI 1024
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