Solicitação de exame técnico
#4.1
05/19/1987
RPI 865
Application data
Number
PI8602499Type
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: 05/19/1987. We update with every new RPI gazette, published weekly.
Applicants
Industrial Technology Research Institute
TW
Inventors
H. C. (pessoa física)
TW
M. R. (pessoa física)
TW
IPC Classification
Priority claims
US
740.179 · 05/31/1985
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