Solicitação de exame técnico
#4.1
11/24/1987
RPI 892
Application data
Number
PI8506608Type
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: 11/24/1987. We update with every new RPI gazette, published weekly.
Applicants
Atlantic Richfield Company
US
Inventors
C. J. (pessoa física)
US
H. J. (pessoa física)
US
J. J. (pessoa física)
US
J. S. (pessoa física)
US
J. L. (pessoa física)
US
M. J. (pessoa física)
US
W. J. (pessoa física)
US
IPC Classification
Priority claims
US
600,912 · 04/16/1984
US
600,925 · 04/16/1984
US
600,926 · 04/16/1984
US
600,940 · 04/16/1984
US
601,136 · 04/16/1984
US
683,118 · 12/18/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
11/24/1987
RPI 892
#1.3
04/15/1986
RPI 808
#21.1
Patente extinta em 15/04/2000
07/15/2008
RPI 1958
#16.1
07/27/1993
RPI 1182
#13.1
05/25/1993
RPI 1173
#9.1
02/09/1993
RPI 1158
#6.1
11/19/1991
RPI 1094
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