16.3
07/24/1984
RPI 718
The letters patent expired on 07/06/1993: 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: 07/24/1984. We update with every new RPI gazette, published weekly.
Applicants
BRITISH PETROLEUM CO
Inventors
F. A. (pessoa física)
J. P. (pessoa física)
M. J. (pessoa física)
T. S. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
07/24/1984
RPI 718
#16.1
04/24/1984
RPI 705
#13.1
02/28/1984
RPI 697
12/13/1983
RPI 686
05/03/1983
RPI 654
#12.1
11/16/1982
RPI 630
#9.1
07/20/1982
RPI 613
01/19/1982
RPI 587
#21.1
07/06/1993
RPI 1179
#20.1
10/02/1990
RPI 1035
09/25/1990
RPI 1034
From the same holder
Same category
Patent monitoring
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