16.3
08/21/1984
RPI 722
The letters patent expired on 05/16/1995: 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: 08/21/1984. We update with every new RPI gazette, published weekly.
Applicants
I. K. (pessoa física)
Inventors
I. Y. (pessoa física)
K. F. (pessoa física)
R. N. (pessoa física)
S. N. (pessoa física)
Y. T. (pessoa física)
Pessoa física
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
08/21/1984
RPI 722
#16.1
04/24/1984
RPI 705
#13.1
01/24/1984
RPI 692
#9.1
10/11/1983
RPI 677
#6.1
03/29/1983
RPI 649
#4.1
01/05/1982
RPI 585
#21.1
05/16/1995
RPI 1276
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.