Concessão da patente
#16.1
04/29/1986
RPI 810
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: 04/29/1986. We update with every new RPI gazette, published weekly.
Applicants
A. J. (pessoa física)
Inventors
C. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/29/1986
RPI 810
#13.1
11/26/1985
RPI 788
#9.1
07/30/1985
RPI 771
#4.1
08/07/1984
RPI 720
#3.1
11/01/1983
RPI 680
#2.1
05/11/1982
RPI 603
#21.1
12/07/1993
RPI 1201
Same category
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