Concessão da patente
#16.1
09/25/1984
RPI 727
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: 09/25/1984. We update with every new RPI gazette, published weekly.
Applicants
PHILLIPS PETROLEUM CO
Inventors
K. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/25/1984
RPI 727
#13.1
06/26/1984
RPI 714
#9.1
03/07/1984
RPI 698
#6.1
10/11/1983
RPI 677
#6.1
02/01/1983
RPI 641
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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