Concessão da patente
#16.1
08/28/1984
RPI 723
The letters patent expired on 05/24/1994: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
NORTON CO
Inventors
C. L. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
08/28/1984
RPI 723
#13.1
06/05/1984
RPI 711
#9.1
02/14/1984
RPI 695
#6.1
03/15/1983
RPI 647
#21.1
05/24/1994
RPI 1225
From the same holder
Same category
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