Carta-patente expirada
#21.1
Patente extinta em 11/07/2010
12/26/2012
RPI 2190
Application data
Number
PI8905534Type
Filing
Publication
The letters patent expired on 12/26/2012: 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: 12/26/2012. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
B. S. (pessoa física)
US
P. F. (pessoa física)
US
W. J. (pessoa física)
US
Y. L. (pessoa física)
US
IPC Classification
Priority claims
US
264,661 · 10/31/1988
Publications in the Brazilian Industrial Property Gazette (RPI).
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Patente extinta em 11/07/2010
12/26/2012
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