320
02/04/1986
RPI 798
The letters patent expired on 07/13/1993: 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
G. W. (pessoa física)
Inventors
M. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
02/04/1986
RPI 798
09/10/1985
RPI 777
04/23/1985
RPI 757
#17.1
10/16/1984
RPI 730
#16.1
08/30/1983
RPI 671
#13.1
05/31/1983
RPI 658
04/12/1983
RPI 651
#12.1
09/14/1982
RPI 621
06/01/1982
RPI 606
#9.1
06/01/1982
RPI 606
#6.1
10/20/1981
RPI 574
#21.1
07/13/1993
RPI 1180
10/13/1992
RPI 1141
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