Pedido de licença compulsória
#20.1
10/31/1989
RPI 993
The letters patent expired on 09/21/1993: 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: 10/31/1989. We update with every new RPI gazette, published weekly.
Applicants
HALCON INTERNATIONAL INC
Inventors
O. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
#20.1
10/31/1989
RPI 993
10/24/1989
RPI 992
#20.1
10/17/1989
RPI 991
#21.1
09/21/1993
RPI 1190
From the same holder
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