Concessão da patente
#16.1
10/30/1984
RPI 732
Application data
Number
PI8009071Type
Filing
Publication
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: 10/30/1984. We update with every new RPI gazette, published weekly.
Applicants
K. O. (pessoa física)
JP
N. F. (pessoa física)
JP
Nobumasa Fujishiro; Kinpei Omi.
JP
Inventors
K. O. (pessoa física)
N. F. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/30/1984
RPI 732
#13.1
07/03/1984
RPI 715
#9.1
03/13/1984
RPI 699
#4.1
08/02/1983
RPI 667
#1.3.1
05/25/1982
RPI 605
#1.3
04/06/1982
RPI 598
#21.1
03/19/1996
RPI 1320
#22.1
09/01/1992
RPI 1135
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.