20.7
08/12/1986
RPI 825
The letters patent expired on 03/26/1996: 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: 08/12/1986. We update with every new RPI gazette, published weekly.
Applicants
C. C. (pessoa física)
FR
Inventors
N. B. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
08/12/1986
RPI 825
07/29/1986
RPI 823
#16.1
12/31/1985
RPI 793
#13.1
11/12/1985
RPI 786
#9.1
07/09/1985
RPI 768
#6.1
09/25/1984
RPI 727
#6.1
04/17/1984
RPI 704
#4.1
11/08/1983
RPI 681
#21.1
03/26/1996
RPI 1321
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.