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Official data from INPI

PROCESSO E DISPOSITIVO PARA PRODUCAO DE UM OBJETO TUBULAR

ConcedidaInvention Patent

Application data

Number

PI8103353

Type

Invention Patent

Filing

05/29/1980

Publication

02/16/1982

Progress at the INPI

  1. Filing05/29/80
  2. Publication02/16/82
  3. Examination03/27/84
  4. Allowance12/26/84
  5. Grant06/25/85
  6. Terminated06/20/95

The patent was granted on 06/25/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/25/1985. We update with every new RPI gazette, published weekly.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

04/16/1985

RPI 756

Deferimento

#9.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

03/27/1984

RPI 701

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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