Concessão da patente
#16.1
10/25/1983
RPI 679
The letters patent expired on 12/07/1993: 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: 10/25/1983. We update with every new RPI gazette, published weekly.
Applicants
K. K. (pessoa física)
Inventors
K. K. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
10/25/1983
RPI 679
#13.1
05/17/1983
RPI 656
#9.1
12/07/1982
RPI 633
#6.1
04/27/1982
RPI 601
#21.1
12/07/1993
RPI 1201
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.