Exigência - art. 36 da LPI
#6.1
06/20/1989
RPI 974
Application data
Number
PI8307315Type
Filing
Publication
The letters patent expired on 07/01/2008: 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: 06/20/1989. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
P. W. (pessoa física)
US
Publications in the Brazilian Industrial Property Gazette (RPI).
#6.1
06/20/1989
RPI 974
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04/17/1984
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Patente extinta em 12/05/98
07/01/2008
RPI 1956
#16.1
08/28/1990
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#13.1
06/19/1990
RPI 1023
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03/01/1990
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