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Official data from INPI

PROCESSO PARA OBTER UMA PEÇA FUNDIDA DE AÇO MANGANÊS DE GRANULAÇÃO FINA.

ConcedidaInvention Patent
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Application data

Number

PI8300876

Type

Invention Patent

Filing

02/24/1983

Publication

04/17/1984
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Progress at the INPI

  1. Filing02/24/83
  2. Publication04/17/84
  3. Examination09/11/84
  4. Allowance10/06/87
  5. Grant05/31/88
  6. Terminated04/18/95

The patent was granted on 05/31/1988 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: 05/31/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. C. (pessoa física)

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Inventors

C. J. (pessoa física)

H. A. (pessoa física)

S. K. (pessoa física)

Technical data

IPC Classification

C21D 1/26C22C 38/04C22C 38/06

Priority claims

US

372.198 · 04/26/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/31/1988

RPI 919

Notificação para pagamento de retribuição

#13.1

02/09/1988

RPI 903

Deferimento

#9.1

10/06/1987

RPI 885

6.4

07/21/1987

RPI 874

Exigência - art. 36 da LPI

#6.1

06/09/1987

RPI 868

Exigência - art. 36 da LPI

#6.1

08/05/1986

RPI 824

Exigência - art. 36 da LPI

#6.1

04/30/1985

RPI 758

Solicitação de exame técnico

#4.1

09/11/1984

RPI 725

Publicação do pedido de patente

#3.1

04/17/1984

RPI 704

Pedido de patente depositado

#2.1

04/12/1983

RPI 651

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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