Solicitação de exame técnico
#4.1
10/25/1988
RPI 940
Application data
Number
PI8501690Type
Filing
Publication
The letters patent expired on 07/15/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.
Applicants
Sulzer Brothers Ltd
CH
Inventors
D. T. (pessoa física)
CH
G. S. (pessoa física)
CH
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
10/25/1988
RPI 940
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11/18/1986
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07/15/2008
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06/29/1993
RPI 1178
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06/01/1993
RPI 1174
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04/27/1993
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04/21/1992
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