Concessão da patente
#16.1
11/28/1989
RPI 997
Application data
Number
PI8405492Type
Filing
Publication
PCT
US1984000281 The letters patent expired on 07/08/2008: 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: 11/28/1989. We update with every new RPI gazette, published weekly.
Applicants
C. R. (pessoa física)
US
C. S. (pessoa física)
US
Inventors
C. S. (pessoa física)
US
IPC Classification
Priority claims
CA
422.315 · 02/24/1983
US
578.285 · 02/08/1984
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