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Official data from INPI

TINA DE MACERAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8103304

Type

Invention Patent

Filing

05/27/1981

Publication

02/16/1982

Progress at the INPI

  1. Filing05/27/81
  2. Publication02/16/82
  3. Examination03/07/84
  4. Allowance03/15/88
  5. Grant09/27/88
  6. Expired10/08/96

The letters patent expired on 10/08/1996: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Anton Steinecker Maschinenfabrik GmbH

DE

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Inventors

W. A. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/27/1988

RPI 936

Notificação para pagamento de retribuição

#13.1

07/19/1988

RPI 926

Deferimento

#9.1

03/15/1988

RPI 908

Exigência - art. 36 da LPI

#6.1

08/11/1987

RPI 877

Solicitação de exame técnico

#4.1

03/07/1984

RPI 698

Publicação do pedido de patente

#3.1

02/16/1982

RPI 591

Carta-patente expirada

#21.1

10/08/1996

RPI 1349

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