Concessão da patente
#16.1
11/26/1985
RPI 788
The letters patent expired on 11/15/1994: 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: 11/26/1985. We update with every new RPI gazette, published weekly.
Applicants
SERGIO KRAWTSCHENKO [BR]
Inventors
K. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/26/1985
RPI 788
#13.1
08/27/1985
RPI 775
#9.1
05/07/1985
RPI 759
#6.1
11/13/1984
RPI 734
#4.1
03/07/1984
RPI 698
#3.1
11/22/1983
RPI 683
#2.1
06/08/1982
RPI 607
#21.1
11/15/1994
RPI 1250
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.