20.4
01/19/1988
RPI 900
The letters patent expired on 11/30/1993: 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: 01/19/1988. We update with every new RPI gazette, published weekly.
Applicants
YOKOGAWA ELECTRIC WORKS LTD
Inventors
A. T. (pessoa física)
A. T. (pessoa física)
I. I. (pessoa física)
S. T. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
01/19/1988
RPI 900
03/07/1984
RPI 698
12/06/1983
RPI 685
#16.1
07/27/1982
RPI 614
#13.1
03/02/1982
RPI 593
#9.1
10/13/1981
RPI 573
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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