Concessão da patente
#16.1
02/22/1983
RPI 644
The letters patent expired on 11/30/1993: 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: 02/22/1983. We update with every new RPI gazette, published weekly.
Applicants
P. O. (pessoa física)
Inventors
E. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/22/1983
RPI 644
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
02/16/1982
RPI 591
#6.1
01/05/1982
RPI 585
#15.11
01/26/2010
RPI 2038
#21.1
11/30/1993
RPI 1200
05/01/1990
RPI 1016
#20.1
03/20/1990
RPI 1010
03/13/1990
RPI 1009
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