Concessão da patente
#16.1
10/25/1983
RPI 679
The letters patent expired on 04/25/1995: 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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
SEMT
Inventors
C. R. (pessoa física)
J. P. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
05/31/1983
RPI 658
#9.1
01/25/1983
RPI 640
#6.1
07/20/1982
RPI 613
#21.1
04/25/1995
RPI 1273
From the same holder
Same category
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