16.3
03/20/1984
RPI 700
The letters patent expired on 05/16/1995: 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: 03/20/1984. We update with every new RPI gazette, published weekly.
Applicants
MCKAY RALPH LTD
Inventors
V. H. (pessoa física)
Y. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
03/20/1984
RPI 700
#16.1
12/27/1983
RPI 688
#13.1
09/27/1983
RPI 675
#9.1
05/31/1983
RPI 658
#4.1
11/03/1981
RPI 576
#21.1
05/16/1995
RPI 1276
#20.1
02/09/1993
RPI 1158
From the same holder
Same category
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