Concessão da patente
#16.1
09/26/1989
RPI 988
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Application data
Number
PI8402497Type
Invention Patent
Filing
05/24/1984
Publication
04/02/1985
Progress at the INPI
- Filing05/24/84
- Publication04/02/85
- Examination03/24/87
- Allowance01/10/89
- Grant09/26/89
- Terminated06/13/95
The patent was granted on 09/26/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.
Talk to a specialistLatest action published by the INPI: 09/26/1989. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Rohm And Haas Company
US
Inventors
E. C. (pessoa física)
US
R. W. (pessoa física)
US
S. L. (pessoa física)
US
Technical data
IPC Classification
Priority claims
US
513,741 · 07/22/1983
US
594,161 · 03/30/1984
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/30/1989
RPI 971
Deferimento
#9.1
01/10/1989
RPI 951
Exigência - art. 36 da LPI
#6.1
07/19/1988
RPI 926
Solicitação de exame técnico
#4.1
03/24/1987
RPI 857
Publicação do pedido de patente
#3.1
04/02/1985
RPI 754
Pedido de patente depositado
#2.1
08/07/1984
RPI 720
Anuidade - prazo legal encerrado
#18.2
06/13/1995
RPI 1280
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