Concessão da patente
#16.1
10/30/1984
RPI 732
Application data
Number
PI8006887Type
Filing
Publication
The letters patent expired on 11/14/1995: 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: 10/30/1984. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
C. C. (pessoa física)
F. (pessoa física)
G. R. (pessoa física)
M. D. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/30/1984
RPI 732
#13.1
07/03/1984
RPI 715
#9.1
03/13/1984
RPI 699
#6.1
08/16/1983
RPI 669
#4.1
09/21/1982
RPI 622
#3.1
07/06/1982
RPI 611
#21.1
11/14/1995
RPI 1302
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.