Solicitação de exame técnico
#4.1
10/25/1988
RPI 940
Application data
Number
PI8601347Type
Filing
Publication
The letters patent expired on 07/22/2008: 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
F. C. (pessoa física)
US
Inventors
J. S. (pessoa física)
US
IPC Classification
Priority claims
US
729.442 · 05/01/1985
US
781.443 · 09/27/1985
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