Concessão da patente
#16.1
08/25/1987
RPI 879
The letters patent expired on 11/22/1994: 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: 08/25/1987. We update with every new RPI gazette, published weekly.
Applicants
D. F. (pessoa física)
SP, BR
Inventors
F. E. (pessoa física)
IPC Classification
No IPC classification.
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