Concessão da patente
#16.1
07/30/1985
RPI 771
The letters patent expired on 06/21/1994: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
GRACE W R & CO
Inventors
M. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
05/28/1985
RPI 762
#9.1
02/12/1985
RPI 747
#6.1
07/31/1984
RPI 719
#6.1
01/03/1984
RPI 689
#21.1
06/21/1994
RPI 1229
10/09/1990
RPI 1036
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Same category
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