Concessão da patente
#16.1
05/29/1984
RPI 710
The letters patent expired on 07/27/1993: 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: 05/29/1984. We update with every new RPI gazette, published weekly.
Applicants
HERCULES INC
Inventors
D. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/29/1984
RPI 710
#13.1
03/27/1984
RPI 701
#9.1
12/06/1983
RPI 685
#6.1
03/01/1983
RPI 645
06/22/1982
RPI 609
#21.1
07/27/1993
RPI 1182
From the same holder
Same category
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