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Official data from INPI

AÇO DURO AO MANGANÊS AUSTENÍTICO, ENCRUADO POR TRABALHO A FRIO E PROCESSO PARA A PREPARAÇÃO DE UMA PEÇA FUNDIDA

ConcedidaInvention Patent

Application data

Number

PI8203634

Type

Invention Patent

Filing

06/22/1982

Publication

01/24/1984

Progress at the INPI

  1. Filing06/22/82
  2. Publication01/24/84
  3. Examination04/29/86
  4. Allowance05/09/89
  5. Grant11/28/89
  6. Terminated07/18/95

The patent was granted on 11/28/1989 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Vereinigte Edelstahlwerke Aktiengesellschaft (VEW)

AT

Inventors

B. K. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 1435/82 · 04/13/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/05/1989

RPI 985

Deferimento

#9.1

05/09/1989

RPI 968

Exigência - art. 36 da LPI

#6.1

11/01/1988

RPI 941

6.2

03/04/1987

RPI 854

Solicitação de exame técnico

#4.1

04/29/1986

RPI 810

Publicação do pedido de patente

#3.1

01/24/1984

RPI 692

Pedido de patente depositado

#2.1

08/03/1982

RPI 615

Anuidade - prazo legal encerrado

#18.2

07/18/1995

RPI 1285

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