Concessão da patente
#16.1
03/25/1986
RPI 805
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: 03/25/1986. We update with every new RPI gazette, published weekly.
Applicants
M. C. (pessoa física)
US
Inventors
R. L. (pessoa física)
V. E. (pessoa física)
IPC Classification
Priority claims
US
013.640 · 02/21/1979
US
064.703 · 08/08/1979
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
03/25/1986
RPI 805
#13.1
12/17/1985
RPI 791
#15.11
08/27/1985
RPI 775
#9.1
08/13/1985
RPI 773
#6.1
11/13/1984
RPI 734
#6.1
06/21/1983
RPI 661
11/03/1982
RPI 628
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: B01J 29/12; B01J 29/14; C07B 1/00; C07B 3/00; C07C 1/24.
03/27/2018
RPI 2464
#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.