Concessão da patente
#16.1
07/30/1985
RPI 771
The letters patent expired on 04/18/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.
Applicants
U. K. (pessoa física)
Inventors
M. U. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/30/1985
RPI 771
#13.1
05/28/1985
RPI 762
#9.1
02/12/1985
RPI 747
#6.1
08/23/1983
RPI 670
03/01/1983
RPI 645
#4.1
03/16/1982
RPI 595
#21.1
04/18/1995
RPI 1272
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Same category
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