Anuidade - prazo legal encerrado
#18.2
09/26/1989
RPI 988
The patent was granted on 12/26/1984 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Boc-Nowsco Limited. e Drexel Oilfield Services Limited.
Inventors
A. R. (pessoa física)
M. J. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
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