Concessão da patente
#16.1
06/25/1985
RPI 766
The letters patent expired on 09/26/1995: 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: 06/25/1985. We update with every new RPI gazette, published weekly.
Applicants
D. C. (pessoa física)
US
Inventors
W. D. (pessoa física)
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
06/25/1985
RPI 766
#13.1
04/16/1985
RPI 756
#9.1
12/26/1984
RPI 740
#6.1
01/31/1984
RPI 693
11/30/1982
RPI 632
#4.1
11/10/1981
RPI 577
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: C08G 77/04; B32B 29/00; D06M 15/00; D21H 1/40.
03/27/2018
RPI 2464
#21.1
09/26/1995
RPI 1295
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.