Concessão da patente
#16.1
07/25/1989
RPI 979
Application data
Number
PI8303312Type
Filing
Publication
The patent was granted on 07/25/1989 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: 07/25/1989. We update with every new RPI gazette, published weekly.
Applicants
TELETTRA LAB TELEFON [IT]
Inventors
A. G. (pessoa física)
C. S. (pessoa física)
M. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
07/25/1989
RPI 979
#13.1
10/04/1988
RPI 937
#15.11
08/02/1988
RPI 928
#9.1
06/07/1988
RPI 920
#6.1
12/15/1987
RPI 895
#6.1
05/26/1987
RPI 866
#4.1
05/27/1986
RPI 814
#3.1
02/07/1984
RPI 694
#2.1
08/02/1983
RPI 667
#18.2
10/02/1990
RPI 1035
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.