Concessão da patente
#16.1
11/29/1988
RPI 945
The letters patent expired on 04/18/1995: 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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
W. C. (pessoa física)
US
Inventors
Y. B. (pessoa física)
IPC Classification
Priority claims
US
931.346 · 08/08/1978
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