Concessão da patente
#16.1
04/24/1984
RPI 705
The letters patent expired on 05/24/1994: 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: 04/24/1984. We update with every new RPI gazette, published weekly.
Applicants
MITSUBISHI ELECTRIC CORP
Inventors
S. B. (pessoa física)
S. H. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/24/1984
RPI 705
#13.1
02/14/1984
RPI 695
#9.1
11/01/1983
RPI 680
#6.1
03/29/1983
RPI 649
#4.1
09/28/1982
RPI 623
#21.1
05/24/1994
RPI 1225
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.