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Official data from INPI

SEM TITULO

ConcedidaInvention Patent
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Application data

Number

PI8206672

Type

Invention Patent

Filing

11/18/1982

Publication

03/29/1983
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Progress at the INPI

  1. Filing11/18/82
  2. Publication03/29/83
  3. Examination06/28/83
  4. Allowance09/15/87
  5. Grant08/30/88
  6. Terminated11/21/95

The patent was granted on 08/30/1988 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: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Siderúrgica Mendes Júnior S/A.

MG, BR

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Inventors

A. T. (pessoa física)

Technical data

IPC Classification

B21D 11/06

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

01/26/1988

RPI 901

Deferimento

#9.1

09/15/1987

RPI 882

Exigência - art. 36 da LPI

#6.1

02/24/1987

RPI 853

Republicação - classificação IPC

#15.11

05/21/1985

RPI 761

Exigência - art. 36 da LPI

#6.1

12/18/1984

RPI 739

Solicitação de exame técnico

#4.1

06/28/1983

RPI 662

Publicação antecipada

#3.2

03/29/1983

RPI 649

Pedido de patente depositado

#2.1

01/11/1983

RPI 638

Anuidade - prazo legal encerrado

#18.2

11/21/1995

RPI 1303

Cessão de direito de exploração

#22.1

05/22/1990

RPI 1019

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