Concessão da patente
#16.1
09/27/1983
RPI 675
The letters patent expired on 05/31/1994: 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: 09/27/1983. We update with every new RPI gazette, published weekly.
Applicants
ERICSSON TELEFON AB L M
Inventors
L. A. (pessoa física)
P. M. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
09/27/1983
RPI 675
#13.1
05/31/1983
RPI 658
#9.1
01/25/1983
RPI 640
#6.1
09/14/1982
RPI 621
#4.1
03/09/1982
RPI 594
#21.1
05/31/1994
RPI 1226
From the same holder
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