Pedido de licença compulsória
#20.1
10/17/1989
RPI 991
The letters patent expired on 12/07/1993: 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: 10/17/1989. We update with every new RPI gazette, published weekly.
Applicants
SPERRY SA
Inventors
D. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/17/1989
RPI 991
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06/09/1987
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#4.1
10/20/1981
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12/07/1993
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