Concessão da patente
#16.1
07/29/1986
RPI 823
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: 07/29/1986. We update with every new RPI gazette, published weekly.
Applicants
IND DE FORNOS SUPERFECTA LTDA [BR]
Inventors
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/29/1986
RPI 823
#13.1
04/15/1986
RPI 808
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11/12/1985
RPI 786
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02/21/1984
RPI 696
#3.2
11/22/1983
RPI 683
#2.1
05/24/1983
RPI 657
#21.1
12/07/1993
RPI 1201
09/10/1991
RPI 1084
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