Solicitação de exame técnico
#4.1
04/05/1988
RPI 911
Application data
Number
PI8701388Type
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: 04/05/1988. We update with every new RPI gazette, published weekly.
Applicants
Ashland Oil, Inc
US
Inventors
G. C. (pessoa física)
US
L. D. (pessoa física)
US
IPC Classification
Priority claims
US
844.810 · 03/27/1986
US
931.610 · 11/17/1986
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