14.1
08/23/1988
RPI 931
Application data
Number
PI8701801Type
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: 08/23/1988. We update with every new RPI gazette, published weekly.
Applicants
Western Atlas International, Inc
US
Inventors
C. I. (pessoa física)
US
IPC Classification
Priority claims
US
852,016 · 04/14/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
08/23/1988
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Procedimento automático de reclassificação. A classificação IPC anterior era G01S 5/15.
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