14.4
09/12/1989
RPI 986
Application data
Number
PI8702544Type
Filing
Publication
The letters patent expired on 07/29/2008: 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: 09/12/1989. We update with every new RPI gazette, published weekly.
Applicants
Avdel Systems Limited
GB
Inventors
W. F. (pessoa física)
GB
IPC Classification
Priority claims
GB
8612689 · 05/23/1986
GB
8615100 · 06/20/1986
Publications in the Brazilian Industrial Property Gazette (RPI).
09/12/1989
RPI 986
#3.1
02/23/1988
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Procedimento automático de reclassificação. A classificação IPC anterior era F15B 1/06.
03/20/2018
RPI 2463
#21.1
Patente extinta em 19/05/2002
07/29/2008
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05/26/1992
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10/08/1991
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#9.1
06/11/1991
RPI 1071
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10/16/1990
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