22.9
06/28/1983
RPI 662
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: 06/28/1983. We update with every new RPI gazette, published weekly.
Applicants
Y. K. (pessoa física)
Inventors
S. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
06/28/1983
RPI 662
#16.1
04/26/1983
RPI 653
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#21.1
04/18/1995
RPI 1272
#22.1
11/12/1991
RPI 1093
From the same holder
Same category
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