Concessão da patente
#16.1
12/27/1983
RPI 688
The letters patent expired on 07/06/1993: 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: 12/27/1983. We update with every new RPI gazette, published weekly.
Applicants
B. O. (pessoa física)
E. L. (pessoa física)
F. J. (pessoa física)
M. W. (pessoa física)
Inventors
B. O. (pessoa física)
F. J. (pessoa física)
M. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/27/1983
RPI 688
#13.1
11/08/1983
RPI 681
#9.1
07/05/1983
RPI 663
#6.1
01/11/1983
RPI 638
#15.11
09/08/1982
RPI 620
#6.1
08/10/1982
RPI 616
#21.1
07/06/1993
RPI 1179
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