Exigência - art. 36 da LPI
#6.1
10/24/1989
RPI 992
Application data
Number
PI8403755Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 10/24/1989. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
C. G. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
10/24/1989
RPI 992
#4.1
06/16/1987
RPI 869
#3.1
07/02/1985
RPI 767
#2.1
10/02/1984
RPI 728
#21.1
Patente extinta em 27/07/99
07/08/2008
RPI 1957
#16.1
11/27/1990
RPI 1043
#13.1
08/21/1990
RPI 1029
#9.1
05/08/1990
RPI 1017
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.