Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 12/14/1993: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
N. C. (pessoa física)
SCALI E
W. N. (pessoa física)
Inventors
D. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#9.1
12/06/1983
RPI 685
#6.1
06/07/1983
RPI 659
#6.1
02/24/1982
RPI 592
#21.1
12/14/1993
RPI 1202
Same category
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