Publicação do pedido de patente
#3.1
11/21/1989
RPI 996
Application data
Number
PI8901587Type
Filing
Publication
The letters patent expired on 05/21/2013: 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: 11/21/1989. We update with every new RPI gazette, published weekly.
Applicants
American Cyanamid Company
US
Inventors
H. P. (pessoa física)
US
N. L. (pessoa física)
GB
Publications in the Brazilian Industrial Property Gazette (RPI).
#3.1
11/21/1989
RPI 996
#2.1
05/23/1989
RPI 970
#21.1
Patente extinta em 04/04/2009
05/21/2013
RPI 2211
#16.1
08/26/1997
RPI 1395
#9.1
11/05/1996
RPI 1353
#6.1
04/02/1996
RPI 1322
#4.1
03/03/1992
RPI 1109
From the same holder
Same category
Patent monitoring
Receive alerts on INPI events, decisions, and expiry dates for your portfolio.