Concessão da patente
#16.1
08/30/1983
RPI 671
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: 08/30/1983. We update with every new RPI gazette, published weekly.
Applicants
U. K. (pessoa física)
Inventors
K. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/30/1983
RPI 671
#13.1
06/14/1983
RPI 660
#9.1
02/16/1983
RPI 643
01/19/1982
RPI 587
#21.1
07/20/1993
RPI 1181
From the same holder
Same category
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