Concessão da patente
#16.1
04/30/1985
RPI 758
Application data
Number
PI8106032Type
Filing
Publication
The letters patent expired on 08/19/2008: 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: 04/30/1985. We update with every new RPI gazette, published weekly.
Applicants
S. W. (pessoa física)
Inventors
J. E. (pessoa física)
N. O. (pessoa física)
P. T. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/30/1985
RPI 758
#13.1
01/15/1985
RPI 743
#9.1
09/18/1984
RPI 726
#6.1
05/08/1984
RPI 707
#4.1
10/18/1983
RPI 678
#1.3
11/24/1981
RPI 579
#15.11
Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21H 5/26; D04H 1/00; D21F 9/00; D21F 11/14.
03/27/2018
RPI 2464
#21.1
Patente extinta em 15/01/96
08/19/2008
RPI 1963
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.