20.4
06/21/1988
RPI 922
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: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
YOKOGAWA ELECTRIC WORKS LTD
Inventors
K. M. (pessoa física)
M. T. (pessoa física)
M. K. (pessoa física)
T. H. (pessoa física)
T. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/21/1988
RPI 922
#16.1
12/29/1987
RPI 897
#13.1
09/22/1987
RPI 883
#15.11
04/28/1987
RPI 862
#9.1
04/22/1987
RPI 861
04/15/1986
RPI 808
#9.1
02/12/1986
RPI 799
#9.1.1
02/12/1986
RPI 799
09/27/1983
RPI 675
06/21/1983
RPI 661
03/01/1983
RPI 645
#12.1
01/11/1983
RPI 638
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#6.1
02/09/1982
RPI 590
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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