Solicitação de exame técnico
#4.1
08/11/1987
RPI 877
Application data
Number
PI8405557Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 08/11/1987. We update with every new RPI gazette, published weekly.
Applicants
S. W. (pessoa física)
US
Inventors
S. W. (pessoa física)
US
IPC Classification
Priority claims
US
549.319 · 11/07/1983
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