Concessão da patente
#16.1
12/14/1982
RPI 634
The letters patent expired on 07/06/1993: 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: 12/14/1982. We update with every new RPI gazette, published weekly.
Applicants
A. T. (pessoa física)
SP, BR
Inventors
T. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/14/1982
RPI 634
#13.1
07/27/1982
RPI 614
#9.1
04/06/1982
RPI 598
#21.1
07/06/1993
RPI 1179
From the same holder
Same category
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