Concessão da patente
#16.1
11/29/1988
RPI 945
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: 11/29/1988. We update with every new RPI gazette, published weekly.
Applicants
I B C T LTD
Inventors
F. J. (pessoa física)
L. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1988
RPI 945
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11/24/1987
RPI 892
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08/25/1987
RPI 879
05/12/1987
RPI 864
07/01/1986
RPI 819
#12.1
11/05/1985
RPI 785
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07/09/1985
RPI 768
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11/27/1984
RPI 736
11/08/1983
RPI 681
11/01/1983
RPI 680
#5.1
06/08/1982
RPI 607
#4.1
01/19/1982
RPI 587
#3.2
10/27/1981
RPI 575
#21.1
12/07/1993
RPI 1201
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