Solicitação de exame técnico
#4.1
06/21/1988
RPI 922
Application data
Number
PI8406870Type
Filing
Publication
The patent was granted on 12/31/1991 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 06/21/1988. We update with every new RPI gazette, published weekly.
Applicants
Italtel Societa Italiana Telecomunicazioni, S.P.A.
IT
Inventors
R. S. (pessoa física)
IT
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#4.1
06/21/1988
RPI 922
#3.1
07/08/1986
RPI 820
#2.1
03/26/1985
RPI 753
#18.2
05/14/1996
RPI 1328
#16.1
12/31/1991
RPI 1100
#13.1
10/08/1991
RPI 1088
#15.11
07/09/1991
RPI 1075
#9.1
06/11/1991
RPI 1071
#6.1
01/08/1991
RPI 1049
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.