Concessão da patente
#16.1
12/30/1986
RPI 845
The letters patent expired on 12/07/1993: 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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
S. D. (pessoa física)
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#13.1
09/23/1986
RPI 831
#9.1
05/27/1986
RPI 814
#6.1
07/23/1985
RPI 770
#6.1
02/12/1985
RPI 747
#6.1
07/31/1984
RPI 719
07/24/1984
RPI 718
#7.1
03/08/1983
RPI 646
#4.1
04/27/1982
RPI 601
#21.1
12/07/1993
RPI 1201
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Same category
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