Publicação do pedido de patente
#3.1
02/21/1989
RPI 957
Application data
Number
PI8704241Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 02/21/1989. We update with every new RPI gazette, published weekly.
Applicants
Tenneco Automotive Inc
US
Tennessee Gas Pipeline Company
US
Inventors
L. D. (pessoa física)
US
T. S. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
02/21/1989
RPI 957
#2.1
11/10/1987
RPI 890
#21.1
Patente extinta em 17/08/2002
07/29/2008
RPI 1960
#25.1
Transferido de: Tennessee Gas Pipeline Company
12/01/1998
RPI 1456
#25.7
Alterada a sede conforme petição nº018356 de 22/08/97.
11/10/1998
RPI 1453
#16.1
08/31/1993
RPI 1187
#13.1
06/29/1993
RPI 1178
#9.1
03/09/1993
RPI 1162
#4.1
01/28/1992
RPI 1104
08/27/1991
RPI 1082
07/02/1991
RPI 1074
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