Deferimento
#9.1
08/29/1989
RPI 984
Application data
Number
PI8602160Type
Filing
Publication
The patent was granted on 09/25/1990 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: 08/29/1989. We update with every new RPI gazette, published weekly.
Applicants
Hughes Tool Company
US
Inventors
B. B. (pessoa física)
US
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