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Official data from INPI

PROCESSO APERFEIÇOADO DE BENEFICIAMENTO DE AREIA DE MOLDAGEM.

ConcedidaInvention Patent

Application data

Number

PI8301323

Type

Invention Patent

Filing

03/16/1983

Publication

10/23/1984

Progress at the INPI

  1. Filing03/16/83
  2. Publication10/23/84
  3. Examination01/15/85
  4. Allowance09/06/88
  5. Grant06/27/89
  6. Terminated04/02/96

The patent was granted on 06/27/1989 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: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Indústria de Fundição Tupy Ltda.

SP, BR

See this company's full portfolio

Inventors

G. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/27/1989

RPI 975

Notificação para pagamento de retribuição

#13.1

12/27/1988

RPI 949

Deferimento

#9.1

09/06/1988

RPI 933

Exigência - art. 36 da LPI

#6.1

03/15/1988

RPI 908

14.4

10/20/1987

RPI 887

14.1

10/13/1987

RPI 886

14.4

10/06/1987

RPI 885

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Publicação do pedido de patente

#3.1

10/23/1984

RPI 731

Pedido de patente depositado

#2.1

05/03/1983

RPI 654

Anuidade - prazo legal encerrado

#18.2

04/02/1996

RPI 1322

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