Solicitação de exame técnico
#4.1
07/05/1988
RPI 924
Application data
Number
PI8507022Type
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: 07/05/1988. We update with every new RPI gazette, published weekly.
Applicants
T. C. (pessoa física)
US
Inventors
R. W. (pessoa física)
US
IPC Classification
Priority claims
US
664.465 · 10/25/1984
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