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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8301879

Type

Invention Patent

Filing

04/13/1983

Publication

12/20/1983

Progress at the INPI

  1. Filing04/13/83
  2. Publication12/20/83
  3. Examination01/08/85
  4. Allowance12/03/85
  5. Grant06/24/86
  6. Terminated12/17/96

The patent was granted on 06/24/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 04/05/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Maschinenfabrik Niehoff GMBH & CO. KG.

DE

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Inventors

E. G. (pessoa física)

H. W. (pessoa física)

H. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

04/05/1988

RPI 911

Concessão da patente

#16.1

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/03/1985

RPI 789

Exigência - art. 36 da LPI

#6.1

06/18/1985

RPI 765

Solicitação de exame técnico

#4.1

01/08/1985

RPI 742

Publicação do pedido de patente

#3.1

12/20/1983

RPI 687

Pedido de patente depositado

#2.1

05/31/1983

RPI 658

Anuidade - prazo legal encerrado

#18.2

12/17/1996

RPI 1359

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