Concessão da patente
#16.1
04/14/1981
RPI 547
The letters patent expired on 11/17/1992: 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: 04/14/1981. We update with every new RPI gazette, published weekly.
Applicants
Schlegel (u.k.) Limited
GB
Inventors
E. B. (pessoa física)
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
04/14/1981
RPI 547
#15.11
Procedimento automático de reclassificação. A classificação IPC anterior era B29C 27/00.
03/20/2018
RPI 2463
#21.1
11/17/1992
RPI 1146
Same category
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