20.4
02/09/1988
RPI 903
The letters patent expired on 04/25/1995: 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: 02/09/1988. We update with every new RPI gazette, published weekly.
Applicants
Yokogawa Eletric Works, Ltd.
Inventors
S. T. (pessoa física)
S. M. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
02/09/1988
RPI 903
12/06/1983
RPI 685
#16.1
08/30/1983
RPI 671
#13.1
05/17/1983
RPI 656
#9.1
12/07/1982
RPI 633
#6.1
05/11/1982
RPI 603
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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