Anuidade - prazo legal encerrado
#18.2
10/03/1989
RPI 989
The patent was granted 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: 10/03/1989. We update with every new RPI gazette, published weekly.
Applicants
NUOVO PIGNONE SPA
SCHLUMBERGER IND SA
Inventors
No inventors listed.
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
10/03/1989
RPI 989
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07/20/1982
RPI 613
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03/30/1982
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