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Official data from INPI

PRE-CONFORMACAO DE BORDA DE CHAPA METALICA

ConcedidaInvention Patent
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Application data

Number

PI8108653

Type

Invention Patent

Filing

06/17/1980

Publication

05/10/1983
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Progress at the INPI

  1. Filing06/17/80
  2. Publication05/10/83
  3. Examination09/13/83
  4. Allowance03/31/87
  5. Grant09/29/87
  6. Terminated09/25/90

The patent was granted on 09/29/1987 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: 09/29/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KAISER STEEL CORP [US]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

B21C 37/02B21D 5/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/29/1987

RPI 884

Notificação para pagamento de retribuição

#13.1

08/11/1987

RPI 877

Republicação - classificação IPC

#15.11

06/09/1987

RPI 868

Deferimento

#9.1

03/31/1987

RPI 858

Exigência - art. 36 da LPI

#6.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

07/03/1984

RPI 715

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

05/10/1983

RPI 655

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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SISTEMA PARA GUIAR CHAPAS

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