Notificação para pagamento de retribuição
#13.1
09/05/1989
RPI 985
Application data
Number
PI8407366Type
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: 09/05/1989. We update with every new RPI gazette, published weekly.
Applicants
The Dow Chemical Company
US
Inventors
K. H. (pessoa física)
US
L. I. (pessoa física)
US
S. E. (pessoa física)
US
IPC Classification
Publications in the Brazilian Industrial Property Gazette (RPI).
#13.1
09/05/1989
RPI 985
#9.1
05/09/1989
RPI 968
#6.1
10/18/1988
RPI 939
#4.1
03/08/1988
RPI 907
#1.3
01/06/1987
RPI 846
#21.1
Patente extinta em 18/10/99
07/08/2008
RPI 1957
#16.1
01/09/1990
RPI 1001
From the same holder
Same category
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