Anuidade - prazo legal encerrado
#18.2
09/26/1989
RPI 988
The patent was granted on 07/31/1984 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
SCHLUMBERGER SURENCO SA
Inventors
B. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#18.2
09/26/1989
RPI 988
#16.1
07/31/1984
RPI 719
#13.1
06/12/1984
RPI 712
#9.1
02/21/1984
RPI 696
#6.1
09/20/1983
RPI 674
#6.1
05/03/1983
RPI 654
#4.1
10/05/1982
RPI 624
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Same category
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