Concessão da patente
#16.1
06/24/1986
RPI 818
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: 06/24/1986. We update with every new RPI gazette, published weekly.
Applicants
TOLDOS DIAS S A IND & COMERCIO [BR]
Inventors
D. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/24/1986
RPI 818
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03/18/1986
RPI 804
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10/01/1985
RPI 780
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05/21/1985
RPI 761
#4.1
10/25/1983
RPI 679
#3.2
08/16/1983
RPI 669
#2.1
07/26/1983
RPI 666
#21.1
12/07/1993
RPI 1201
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