Concessão da patente
#16.1
02/26/1985
RPI 749
Application data
Number
PI8002602Type
Filing
Publication
The letters patent expired on 06/13/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.
Talk to a specialistLatest action published by the INPI: 02/26/1985. We update with every new RPI gazette, published weekly.
Applicants
SCHLUMBERGER SURENCO SA
Inventors
S. G. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/26/1985
RPI 749
#13.1
12/11/1984
RPI 738
#9.1
08/07/1984
RPI 720
#6.1
01/24/1984
RPI 692
#6.1
08/02/1983
RPI 667
#4.1
12/14/1982
RPI 634
#3.1
12/15/1981
RPI 582
#15.11
12/15/2009
RPI 2032
#21.1
06/13/1995
RPI 1280
From the same holder
Same category
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