16.4
12/13/1983
RPI 686
The letters patent expired on 04/18/1995: 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: 12/13/1983. We update with every new RPI gazette, published weekly.
Applicants
T. D. (pessoa física)
Inventors
I. R. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
12/13/1983
RPI 686
#13.1
06/21/1983
RPI 661
#9.1
03/01/1983
RPI 645
#4.1
06/29/1982
RPI 610
#21.1
04/18/1995
RPI 1272
10/02/1990
RPI 1035
06/05/1990
RPI 1021
05/29/1990
RPI 1020
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.