Concessão da patente
#16.1
12/30/1986
RPI 845
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: 12/30/1986. We update with every new RPI gazette, published weekly.
Applicants
E. B. (pessoa física)
SP, BR
Inventors
B. [. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
12/30/1986
RPI 845
#13.1
08/26/1986
RPI 827
#9.1
04/22/1986
RPI 809
#6.1
09/24/1985
RPI 779
#4.1
03/12/1985
RPI 751
#3.1
12/26/1984
RPI 740
#2.1
06/28/1983
RPI 662
#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.