Notificação de entrada na fase nacional - PCT
#1.3
08/15/1989
RPI 982
Application data
Number
PI8707823Type
Filing
Publication
PCT
US1987000353 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: 08/15/1989. We update with every new RPI gazette, published weekly.
Applicants
Exxon Chemical Patents, Inc
US
Inventors
C. S. (pessoa física)
US
H. J. (pessoa física)
US
IPC Classification
Priority claims
US
054.785 · 06/04/1987
US
909.752 · 09/19/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
#1.3
08/15/1989
RPI 982
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Patente extinta em 10/06/2002
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