Concessão da patente
#16.1
05/31/1983
RPI 658
The letters patent expired on 07/20/1993: 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: 05/31/1983. We update with every new RPI gazette, published weekly.
Applicants
T. M. (pessoa física)
Inventors
T. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/31/1983
RPI 658
#13.1
02/01/1983
RPI 641
#9.1
09/28/1982
RPI 623
#6.1
03/23/1982
RPI 596
11/03/1981
RPI 576
#21.1
07/20/1993
RPI 1181
Same category
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