Concessão da patente
#16.1
06/28/1983
RPI 662
The letters patent expired on 09/12/1995: 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
A. C. (pessoa física)
US
Inventors
D. R. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/28/1983
RPI 662
#13.1
05/24/1983
RPI 657
#9.1
12/21/1982
RPI 635
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G02B 5/172; H04B 9/00.
03/27/2018
RPI 2464
#21.1
09/12/1995
RPI 1293
From the same holder
Same category
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