Concessão da patente
#16.1
03/29/1983
RPI 649
The letters patent expired on 12/14/1993: 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: 03/29/1983. We update with every new RPI gazette, published weekly.
Applicants
W. W. (pessoa física)
Inventors
W. W. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/29/1983
RPI 649
#13.1
12/14/1982
RPI 634
#9.1
07/27/1982
RPI 614
#21.1
12/14/1993
RPI 1202
From the same holder
Same category
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