111
12/12/1989
RPI 999
Application data
Number
PI8301896Type
Filing
Publication
The application was refused on 12/12/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 12/12/1989. We update with every new RPI gazette, published weekly.
Applicants
SCHLUMBERGER TECHNOLOGY CORP [US]
Inventors
U. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
12/12/1989
RPI 999
#12.2
04/11/1989
RPI 964
#9.2
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09/08/1987
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#4.1
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05/31/1983
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From the same holder
Same category
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