Concessão da patente
#16.1
09/29/1987
RPI 884
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Official data from INPI
VÁLVULA DE RETENÇÀO DE AR PARA BOLSAS DE MATERIAL PLÁSTICO, DO TIPO PVC, PLASTISOL E/OU SIMILAR.
ConcedidaInvention Patent
Application data
Number
PI8107183Type
Invention Patent
Filing
10/29/1981
Publication
07/20/1982
Progress at the INPI
- Filing10/29/81
- Publication07/20/82
- Examination06/26/84
- Allowance12/16/86
- Grant09/29/87
- In force10/29/01
The patent was granted on 09/29/1987 and is in force until 10/29/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.
Protection valid until:10/29/2001
Latest action published by the INPI: 09/29/1987. We update with every new RPI gazette, published weekly.
Applicants and inventors
Applicants
B. P. (pessoa física)
CPC International inc.;
US
Inventors
F. J. (pessoa física)
K. H. (pessoa física)
W. U. (pessoa física)
Prosecution history
Publications in the Brazilian Industrial Property Gazette (RPI).
Notificação para pagamento de retribuição
#13.1
05/05/1987
RPI 863
Deferimento
#9.1
12/16/1986
RPI 843
Exigência - art. 36 da LPI
#6.1
03/25/1986
RPI 805
Exigência - art. 36 da LPI
#6.1
04/16/1985
RPI 756
Solicitação de exame técnico
#4.1
06/26/1984
RPI 714
Publicação do pedido de patente
#3.1
07/20/1982
RPI 613
Pedido de patente depositado
#2.1
12/22/1981
RPI 583
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