16.3
04/17/1984
RPI 704
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: 04/17/1984. We update with every new RPI gazette, published weekly.
Applicants
C. R. (pessoa física)
Inventors
C. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
04/17/1984
RPI 704
02/14/1984
RPI 695
08/16/1983
RPI 669
03/15/1983
RPI 647
#12.1
02/09/1982
RPI 590
#21.1
07/06/1993
RPI 1179
Same category
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