Solicitação de exame técnico
#4.1
05/30/1989
RPI 971
Application data
Number
PI8802321Type
Filing
Publication
The letters patent expired on 09/02/2008: 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
Tenneco Automotive Inc
US
Tennessee Gas Pipeline Company
US
Inventors
D. D. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
05/30/1989
RPI 971
#3.1
12/13/1988
RPI 947
#2.1
10/04/1988
RPI 937
#21.1
Patente extinta em 12/05/2003
09/02/2008
RPI 1965
#25.1
Transferido de: Tennessee Gas Pipeline Company
12/29/1998
RPI 1460
#25.7
Alterada a sede conforme petição nº01835 de 22/08/97.
11/10/1998
RPI 1453
#16.1
06/30/1992
RPI 1126
#13.1
02/18/1992
RPI 1107
#9.1
10/15/1991
RPI 1089
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.