Concessão da patente
#16.1
10/01/1985
RPI 780
Application data
Number
PI8007825Type
Filing
Publication
The letters patent expired on 12/26/1995: 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: 10/01/1985. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações do Rio de Janeiro S/A - Telerj
RJ, BR
Inventors
B. S. (pessoa física)
F. J. (pessoa física)
N. J. (pessoa física)
S. A. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/01/1985
RPI 780
#13.1
05/28/1985
RPI 762
#9.1
02/12/1985
RPI 747
08/21/1984
RPI 722
#6.1
12/20/1983
RPI 687
#6.1
07/12/1983
RPI 664
#4.1
08/10/1982
RPI 616
#3.2
01/05/1982
RPI 585
#21.1
12/26/1995
RPI 1308
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.