Concessão da patente
#16.1
04/30/1985
RPI 758
The letters patent expired on 03/19/1996: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
Duracell International Inc.
US
Inventors
G. T. (pessoa física)
P. F. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
12/11/1984
RPI 738
#9.1
08/21/1984
RPI 722
#6.1
01/31/1984
RPI 693
#4.1
08/09/1983
RPI 668
#21.1
03/19/1996
RPI 1320
From the same holder
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.