300
11/28/1989
RPI 997
Application data
Number
PI8101658Type
Filing
Publication
The letters patent expired on 09/24/1996: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
C. C. (pessoa física)
SP, BR
W. R. (pessoa física)
SP, BR
Inventors
C. C. (pessoa física)
BR
W. R. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/28/1989
RPI 997
08/15/1989
RPI 982
#17.1
01/24/1989
RPI 953
#17.1
10/18/1988
RPI 939
#17.1
09/20/1988
RPI 935
#16.1
12/29/1987
RPI 897
#13.1
08/11/1987
RPI 877
#9.1
03/31/1987
RPI 858
#6.1
07/15/1986
RPI 821
#6.1
10/01/1985
RPI 780
#15.11
05/07/1985
RPI 759
#7.1
04/09/1985
RPI 755
#4.1
04/03/1984
RPI 702
#3.1
10/26/1982
RPI 627
#21.1
09/24/1996
RPI 1347
10/17/1995
RPI 1298
#18.2
06/20/1995
RPI 1281
03/19/1991
RPI 1059
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