Concessão da patente
#16.1
11/29/1983
RPI 684
The letters patent expired on 04/25/1995: 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: 11/29/1983. We update with every new RPI gazette, published weekly.
Applicants
Imperial Chemical Industries Plc.
GB
Inventors
L. T. (pessoa física)
IPC Classification
Priority claims
GB
42265/78 · 10/27/1978
Publications in the Brazilian Industrial Property Gazette (RPI).
#16.1
11/29/1983
RPI 684
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09/06/1983
RPI 672
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04/19/1983
RPI 652
#4.1
08/31/1982
RPI 619
#21.1
04/25/1995
RPI 1273
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