Solicitação de exame técnico
#4.1
09/22/1987
RPI 883
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Official data from INPI
COMPOSIÇÕES POLIMÉRICAS DOTADAS DE PROPRIEDADES AUTO-EXTINGUÍVEIS
Em AnáliseInvention Patent
Application data
Number
PI8500990Type
Invention Patent
Filing
03/05/1985
Publication
10/29/1985
Progress at the INPI
- Filing03/05/85
- Publication10/29/85
- Examination09/22/87
- Allowance07/16/91
- Grant04/28/92
- Terminated05/21/96
The patent was granted on 04/28/1992 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: 09/22/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
Himont Inc
US
Inventors
G. B. (pessoa física)
IT
R. L. (pessoa física)
IT
Technical data
IPC Classification
Priority claims
IT
19926 A/84 · 03/07/1984
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Publicação do pedido de patente
#3.1
10/29/1985
RPI 784
Pedido de patente depositado
#2.1
05/28/1985
RPI 762
Anuidade - prazo legal encerrado
#18.2
05/21/1996
RPI 1329
Concessão da patente
#16.1
04/28/1992
RPI 1117
Notificação para pagamento de retribuição
#13.1
11/12/1991
RPI 1093
Deferimento
#9.1
07/16/1991
RPI 1076
Republicação - classificação IPC
#15.11
05/28/1991
RPI 1069
Exigência - art. 36 da LPI
#6.1
01/29/1991
RPI 1052
Conhecimento de parecer técnico
#7.1
03/13/1990
RPI 1009
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