Concessão da patente
#16.1
12/26/1984
RPI 740
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: 12/26/1984. We update with every new RPI gazette, published weekly.
Applicants
ICI LTD
Inventors
P. J. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/26/1984
RPI 740
#13.1
10/02/1984
RPI 728
#9.1
06/05/1984
RPI 711
#6.1
11/01/1983
RPI 680
#6.1
03/15/1983
RPI 647
#21.1
07/06/1993
RPI 1179
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Same category
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