320
05/07/1985
RPI 759
The letters patent expired on 11/17/1992: 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: 05/07/1985. We update with every new RPI gazette, published weekly.
Applicants
C. F. (pessoa física)
DE
Inventors
E. B. (pessoa física)
IPC Classification
No IPC classification.
Publications in the Brazilian Industrial Property Gazette (RPI).
05/07/1985
RPI 759
01/15/1985
RPI 743
09/11/1984
RPI 725
#17.1
04/17/1984
RPI 704
#16.1
02/22/1983
RPI 644
11/03/1982
RPI 628
#21.1
11/17/1992
RPI 1146
From the same holder
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