Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 05/24/1994: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
C. C. (pessoa física)
Inventors
R. O. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
#13.1
08/09/1983
RPI 668
04/26/1983
RPI 653
#12.1
11/30/1982
RPI 632
#9.1
07/13/1982
RPI 612
#6.1
11/17/1981
RPI 578
#21.1
05/24/1994
RPI 1225
Same category
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