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Official data from INPI

PROCESSO PARA CONTROLAR A TAXA DE RETIRADA E O NIVEL DE SUPERFICIE DE ACO FUNDIDO OU SEMELHANTE EM UM MOLDE

Em AnáliseInvention Patent

Application data

Number

PI7807647

Type

Invention Patent

Filing

11/22/1977

Publication

-

Progress at the INPI

  1. Filing11/22/77
  2. Publication
  3. Examination
  4. Allowance07/30/85
  5. Grant03/25/86
  6. Terminated05/17/88

The patent was granted on 03/25/1986 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

I. I. (pessoa física)

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Inventors

K. M. (pessoa física)

M. T. (pessoa física)

U. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

03/25/1986

RPI 805

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

6.2

12/22/1981

RPI 583

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