Solicitação de exame técnico
#4.1
07/21/1987
RPI 874
Application data
Number
PI8504882Type
Filing
Publication
The applicant withdrew the application. The case ended without a patent.
Talk to a specialistLatest action published by the INPI: 07/21/1987. We update with every new RPI gazette, published weekly.
Applicants
Telecomunicações Brasileiras S/A - Telebrás
SP, BR
Inventors
C. É. (pessoa física)
BR
N. W. (pessoa física)
BR
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
07/21/1987
RPI 874
#3.2
05/05/1987
RPI 863
#2.1
11/11/1986
RPI 838
05/14/1991
RPI 1067
#7.1
01/08/1991
RPI 1049
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.