Concessão da patente
#16.1
08/28/1984
RPI 723
The letters patent expired on 06/21/1994: 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: 08/28/1984. We update with every new RPI gazette, published weekly.
Applicants
U. C. (pessoa física)
US
Inventors
B. W. (pessoa física)
US
F. K. (pessoa física)
US
G. G. (pessoa física)
US
IPC Classification
Priority claims
US
012.720 · 02/16/1979
US
892.322 · 03/31/1978
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