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Official data from INPI

NIPLE DE PERFURACAO DE COMPRIMENTO AJUSTAVEL

ConcedidaInvention Patent

Application data

Number

PI8402587

Type

Invention Patent

Filing

05/27/1983

Publication

04/23/1985

Progress at the INPI

  1. Filing05/27/83
  2. Publication04/23/85
  3. Examination05/20/86
  4. Allowance09/27/88
  5. Grant07/25/89
  6. Terminated03/03/92

The patent was granted on 07/25/1989 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dailey, Inc.

Inventors

E. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/25/1989

RPI 979

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

05/20/1986

RPI 813

14.7

09/03/1985

RPI 776

14.4

08/27/1985

RPI 775

Publicação do pedido de patente

#3.1

04/23/1985

RPI 757

Pedido de patente depositado

#2.1

09/04/1984

RPI 724

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

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