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
Inepar S/A. Indústria e Construções
PR, BR
Inventors
G. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
07/29/1986
RPI 823
#13.1
04/22/1986
RPI 809
#9.1
12/17/1985
RPI 791
#4.1
03/12/1985
RPI 751
#3.1
12/26/1984
RPI 740
#2.1
06/21/1983
RPI 661
#21.1
12/07/1993
RPI 1201
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Same category
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