201
01/08/1985
RPI 742
The letters patent expired on 07/06/1993: 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: 01/08/1985. We update with every new RPI gazette, published weekly.
Applicants
N. G. (pessoa física)
Inventors
N. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
01/08/1985
RPI 742
#17.1
07/17/1984
RPI 717
#16.1
05/31/1983
RPI 658
#13.1
12/07/1982
RPI 633
#9.1
07/20/1982
RPI 613
10/13/1981
RPI 573
#21.1
07/06/1993
RPI 1179
Same category
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