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Official data from INPI

PROCESSO PARA FABRICAR PEÇAS FUNDIDAS DE FERRO CINZENTO USINÁVEL E PROCESSO PARA FABRICAR BLOCOS DE MOTOR E SIMILARES DE FERRO FUNDIDO CINZENTO USINÁVEL

ConcedidaInvention Patent
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Application data

Number

PI8204161

Type

Invention Patent

Filing

07/16/1982

Publication

07/26/1983
View on INPI

Progress at the INPI

  1. Filing07/16/82
  2. Publication07/12/83
  3. Examination01/24/84
  4. Allowance11/03/87
  5. Grant03/29/88
  6. Terminated06/26/90

The patent was granted on 03/29/1988 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: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Motors INC

CA

Inventors

A. G. (pessoa física)

CA

A. M. (pessoa física)

CA

J. B. (pessoa física)

US

Technical data

IPC Classification

A22C 13/02C21D 5/00

Priority claims

US

284,028 · 07/17/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1988

RPI 910

100

11/03/1987

RPI 889

120

04/07/1987

RPI 859

Petição de recurso

#12.2

05/20/1986

RPI 813

Republicação - classificação IPC

#15.11

03/04/1986

RPI 802

Indeferimento

#9.2

02/04/1986

RPI 798

Solicitação de exame técnico

#4.1

01/24/1984

RPI 692

Republicação - classificação IPC

#15.11

11/01/1983

RPI 680

Publicação do pedido de patente

#3.1

07/26/1983

RPI 666

Publicação do pedido de patente

#3.1

07/12/1983

RPI 664

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

06/26/1990

RPI 1024

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