Exigência - art. 36 da LPI
#6.1
02/08/1989
RPI 955
Application data
Number
PI8501445Type
Filing
Publication
The patent was granted on 02/13/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 02/08/1989. We update with every new RPI gazette, published weekly.
Applicants
Halliburton Company
US
Inventors
P. R. (pessoa física)
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