Concessão da patente
#16.1
04/26/1988
RPI 914
Application data
Number
PI8201573Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 04/26/1988. We update with every new RPI gazette, published weekly.
Applicants
S. C. (pessoa física)
JP
Inventors
K. O. (pessoa física)
JP
IPC Classification
Priority claims
JP
41921/1981 · 03/23/1981
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/26/1988
RPI 914
#13.1
01/26/1988
RPI 901
#9.1
09/15/1987
RPI 882
#15.11
01/07/1986
RPI 794
#6.1
10/29/1985
RPI 784
#4.1
04/16/1985
RPI 756
#3.1
02/08/1983
RPI 642
#2.1
05/11/1982
RPI 603
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: G06F 15/31; H03K 19/00; H03M 13/15.
03/27/2018
RPI 2464
#21.1
Patente extinta em 22/03/97
07/01/2008
RPI 1956
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.