Concessão da patente
#16.1
11/27/1984
RPI 736
The letters patent expired on 06/21/1994: 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: 11/27/1984. We update with every new RPI gazette, published weekly.
Applicants
MINNESOTA MINING & MFG
Inventors
R. A. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/27/1984
RPI 736
#13.1
09/04/1984
RPI 724
#9.1
05/22/1984
RPI 709
#6.1
12/06/1983
RPI 685
#4.1
01/26/1982
RPI 588
#21.1
06/21/1994
RPI 1229
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.