101
11/01/1988
RPI 941
The letters patent expired on 11/07/1995: 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: 11/01/1988. We update with every new RPI gazette, published weekly.
Applicants
ECC International Limited
GB
English Clays Lovering Pochin & Company Limited
GB
Inventors
R. B. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
11/01/1988
RPI 941
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09/01/1987
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10/02/1984
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01/31/1984
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Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09C 3/04; D21H 1/22.
03/27/2018
RPI 2464
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11/07/1995
RPI 1301
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09/01/1992
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