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Official data from INPI

EQUIPAMENTO DE TRILHAGEM E PROCESSO DE CENTRAGEM EM TRILHA

Em AnáliseInvention Patent

Application data

Number

PI7907968

Type

Invention Patent

Filing

12/13/1978

Publication

-

Progress at the INPI

  1. Filing12/13/78
  2. Publication
  3. Examination07/20/82
  4. Allowance12/13/83
  5. Grant05/29/84
  6. Terminated10/03/89

The patent was granted on 05/29/1984 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: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. V. (pessoa física)

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Inventors

W. R. (pessoa física)

W. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

10/03/1989

RPI 989

Pedido de licença compulsória

#20.1

01/02/1985

RPI 741

20.4

12/26/1984

RPI 740

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Exigência - art. 36 da LPI

#6.1

03/01/1983

RPI 645

Solicitação de exame técnico

#4.1

07/20/1982

RPI 613

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