Notificação para pagamento de retribuição
#13.1
09/19/1989
RPI 987
Application data
Number
PI8407323Type
Filing
Publication
PCT
US1984000731 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: 09/19/1989. We update with every new RPI gazette, published weekly.
Applicants
Shell Oil Company
US
Inventors
A. S. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
09/19/1989
RPI 987
#9.1
05/16/1989
RPI 969
#6.1
12/27/1988
RPI 949
#5.1
07/05/1988
RPI 924
#4.1
02/23/1988
RPI 905
#1.3
09/23/1986
RPI 831
#21.1
Patente extinta em 15/05/99
07/08/2008
RPI 1957
#16.1
02/06/1990
RPI 1005
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.