22.6
05/14/1985
RPI 760
The letters patent expired on 11/30/1993: 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: 05/14/1985. We update with every new RPI gazette, published weekly.
Applicants
L. M. (pessoa física)
Inventors
L. S. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
05/14/1985
RPI 760
#22.1
04/02/1985
RPI 754
08/28/1984
RPI 723
#17.1
03/07/1984
RPI 698
#16.1
02/22/1983
RPI 644
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#6.1
01/26/1982
RPI 588
#21.1
11/30/1993
RPI 1200
From the same holder
Same category
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