Concessão da patente
#16.1
05/27/1986
RPI 814
Application data
Number
PI8204037Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 05/27/1986. We update with every new RPI gazette, published weekly.
Applicants
Portals Limited
GB
Inventors
J. F. (pessoa física)
GB
IPC Classification
Priority claims
GB
8121564 · 07/13/1981
GB
8137104 · 12/09/1981
GB
8208348 · 03/22/1982
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
05/27/1986
RPI 814
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10/15/1985
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02/26/1985
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#4.1
01/10/1984
RPI 690
#3.1
07/05/1983
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: D21F 1/00; D21H 5/10.
03/27/2018
RPI 2464
#21.1
Patente extinta em 12/07/97
07/01/2008
RPI 1956
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