Solicitação de exame técnico
#4.1
10/17/1989
RPI 991
Application data
Number
PI8803047Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
S. G. (pessoa física)
DE
Inventors
W. K. (pessoa física)
DE
IPC Classification
Priority claims
DE
P37 22130.2-45 · 07/02/1987
Publications in the Brazilian Industrial Property Gazette (RPI).
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10/17/1989
RPI 991
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09/02/2008
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06/27/1995
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