Pedido de patente depositado
#2.1
01/10/1989
RPI 951
Application data
Number
PI8803983Type
Filing
Publication
The letters patent expired on 09/02/2008: 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: 01/10/1989. We update with every new RPI gazette, published weekly.
Applicants
A S R Telecomunicações S/A
SP, BR
J. N. (pessoa física)
CE, BR
V. C. (pessoa física)
SP, BR
Inventors
J. C. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#2.1
01/10/1989
RPI 951
#21.1
Patente extinta em 19/07/2003
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