Concessão da patente
#16.1
02/04/1986
RPI 798
The letters patent expired on 12/07/1993: 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
I. E. (pessoa física)
Inventors
G. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/04/1986
RPI 798
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#6.1
11/13/1984
RPI 734
#4.1
04/20/1982
RPI 600
#3.2
02/16/1982
RPI 591
#2.1
11/24/1981
RPI 579
#21.1
12/07/1993
RPI 1201
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