Publicação do pedido de patente
#3.1
12/15/1987
RPI 895
Application data
Number
PI8700807Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 12/15/1987. We update with every new RPI gazette, published weekly.
Applicants
Minnesota Mining and Manufacturing Company
US
Inventors
L. W. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
12/15/1987
RPI 895
#2.1
06/16/1987
RPI 869
#21.1
Patente extinta em 20/02/2002
07/29/2008
RPI 1960
#16.1
06/30/1992
RPI 1126
#13.1
01/07/1992
RPI 1101
#9.1
09/03/1991
RPI 1083
#4.1
08/14/1990
RPI 1028
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.