Concessão da patente
#16.1
02/04/1986
RPI 798
The letters patent expired on 03/19/1996: 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: 02/04/1986. We update with every new RPI gazette, published weekly.
Applicants
Sulzer Brothers Ltd.
CH
Inventors
W. N. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
02/04/1986
RPI 798
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11/12/1985
RPI 786
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07/09/1985
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12/11/1984
RPI 738
#6.1
09/25/1984
RPI 727
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02/07/1984
RPI 694
#4.1
08/16/1983
RPI 669
#21.1
03/19/1996
RPI 1320
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Same category
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