Solicitação de exame técnico
#4.1
09/16/1986
RPI 830
Application data
Number
PI8501972Type
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: 09/16/1986. We update with every new RPI gazette, published weekly.
Applicants
Norton Company
US
Inventors
M. H. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
09/16/1986
RPI 830
#3.1
12/24/1985
RPI 792
#2.1
07/02/1985
RPI 767
#21.1
Patente extinta em 25/04/2000
07/15/2008
RPI 1958
#16.1
08/25/1992
RPI 1134
#13.1
03/17/1992
RPI 1111
#9.1
11/05/1991
RPI 1092
#6.1
04/02/1991
RPI 1061
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.