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
C. G. (pessoa física)
Inventors
C. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/29/1986
RPI 810
#13.1
03/11/1986
RPI 803
11/05/1985
RPI 785
#12.1
01/15/1985
RPI 743
#9.1
09/25/1984
RPI 727
#6.1
04/03/1984
RPI 702
#5.1
09/13/1983
RPI 673
#4.1
05/03/1983
RPI 654
12/21/1982
RPI 635
12/14/1982
RPI 634
11/09/1982
RPI 629
11/03/1981
RPI 576
#21.1
12/07/1993
RPI 1201
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.