18.8
11/17/1987
RPI 891
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: 11/17/1987. We update with every new RPI gazette, published weekly.
Applicants
MORSING CABOS DE ACO LTD
Inventors
R. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
11/17/1987
RPI 891
#18.2
08/25/1987
RPI 879
#16.1
09/25/1984
RPI 727
#13.1
06/26/1984
RPI 714
#9.1
03/07/1984
RPI 698
09/27/1983
RPI 675
#4.1
06/01/1982
RPI 606
#3.1
02/09/1982
RPI 590
#21.1
12/07/1993
RPI 1201
Same category
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