6.2
05/30/1989
RPI 971
Application data
Number
PI8502750Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 05/30/1989. We update with every new RPI gazette, published weekly.
Applicants
Norton Company
US
Inventors
R. B. (pessoa física)
CA
Publications in the Brazilian Industrial Property Gazette (RPI).
05/30/1989
RPI 971
#4.1
08/05/1986
RPI 824
#3.1
02/12/1986
RPI 799
#2.1
08/27/1985
RPI 775
#21.1
Patente extinta em 10/06/2000
07/15/2008
RPI 1958
#16.1
06/27/1995
RPI 1282
#13.1
03/14/1995
RPI 1267
#9.1
11/08/1994
RPI 1249
#6.1
03/23/1993
RPI 1164
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.