Concessão da patente
#16.1
10/29/1986
RPI 836
Application data
Number
PI8200745Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 10/29/1986. We update with every new RPI gazette, published weekly.
Applicants
Petróleo Brasileiro S/A - Petrobrás
RJ, BR
Inventors
C. G. (pessoa física)
C. B. (pessoa física)
C. D. (pessoa física)
F. L. (pessoa física)
J. D. (pessoa física)
M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/29/1986
RPI 836
#13.1
07/01/1986
RPI 819
#16.1
04/29/1986
RPI 810
#9.1
03/11/1986
RPI 803
#6.1
06/04/1985
RPI 763
#4.1
01/10/1984
RPI 690
#3.1
10/11/1983
RPI 677
#2.1
03/30/1982
RPI 597
#21.1
Patente extinta em 12/02/97
07/01/2008
RPI 1956
From the same holder
Same category
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