Notificação de entrada na fase nacional - PCT
#1.3
10/31/1989
RPI 993
Application data
Number
PI8707883Type
Filing
Publication
PCT
US1987002444 The letters patent expired on 08/26/2008: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
Marathon Oil Company
US
Inventors
R. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#1.3
10/31/1989
RPI 993
#21.1
Patente extinta em 25/08/2008
08/26/2008
RPI 1964
#16.1
08/25/1998
RPI 1444
#13.1
05/13/1997
RPI 1380
#9.1
10/01/1996
RPI 1348
#6.1
10/20/1992
RPI 1142
#4.1
03/13/1990
RPI 1009
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.