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Official data from INPI

APARELHO E PROCESSO PARA ENROLAR TIRAS, ESPECIALMENTE TIRAS DE ALUMÍNIO

ConcedidaInvention Patent
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Application data

Number

PI8305013

Type

Invention Patent

Filing

09/15/1983

Publication

05/08/1984
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Progress at the INPI

  1. Filing09/15/83
  2. Publication05/08/84
  3. Examination09/16/86
  4. Allowance12/13/88
  5. Grant08/29/89
  6. Terminated05/02/95

The patent was granted on 08/29/1989 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lauener Engineering Ltd.

CH

Inventors

R. W. (pessoa física)

CH

W. L. (pessoa física)

CH

Technical data

IPC Classification

B21C 47/02

Priority claims

CH

5478/82 · 09/16/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/29/1989

RPI 984

Notificação para pagamento de retribuição

#13.1

04/25/1989

RPI 966

Deferimento

#9.1

12/13/1988

RPI 947

14.1

08/30/1988

RPI 932

Exigência - art. 36 da LPI

#6.1

05/24/1988

RPI 918

6.2

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

09/16/1986

RPI 830

8.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

05/08/1984

RPI 707

Pedido de patente depositado

#2.1

11/16/1983

RPI 682

Anuidade - prazo legal encerrado

#18.2

05/02/1995

RPI 1274

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