Concessão da patente
#16.1
09/26/1989
RPI 988
Application data
Number
PI8403631Type
Filing
Publication
The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants
Cyanamid Canada Inc.
CA
Inventors
A. R. (pessoa física)
W. R. (pessoa física)
CA
IPC Classification
Priority claims
CA
432,929-5 · 07/21/1983
CA
444,795-6 · 01/06/1984
Publications in the Brazilian Industrial Property Gazette (RPI).
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09/26/1989
RPI 988
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06/23/1987
RPI 870
#3.1
07/02/1985
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10/02/1984
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Patente extinta em 20/07/99
07/08/2008
RPI 1957
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