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Official data from INPI

DISPOSITIVO PARA POSICIONAR UMA CUNHA DE DEFLEXÃO EM UM ORIFÍCIO DE FURADEIRA

ConcedidaInvention Patent

Application data

Number

PI8201456

Type

Invention Patent

Filing

03/16/1982

Publication

02/01/1983

Progress at the INPI

  1. Filing03/16/82
  2. Publication02/01/83
  3. Examination09/04/84
  4. Allowance09/17/85
  5. Grant05/27/86
  6. Terminated06/26/90

The patent was granted on 05/27/1986 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: 05/27/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Boart International Limited

ZA

Inventors

T. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

ZA

1/1757 · 03/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/27/1986

RPI 814

Notificação para pagamento de retribuição

#13.1

01/21/1986

RPI 796

Deferimento

#9.1

09/17/1985

RPI 778

Exigência - art. 36 da LPI

#6.1

03/12/1985

RPI 751

Solicitação de exame técnico

#4.1

09/04/1984

RPI 724

Publicação do pedido de patente

#3.1

02/01/1983

RPI 641

Pedido de patente depositado

#2.1

04/27/1982

RPI 601

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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