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Official data from INPI

CORTINA DE LAMINAS OSCILANTES,ENROLAVEL

Em AnáliseInvention Patent

Application data

Number

PI8302030

Type

Invention Patent

Filing

04/15/1983

Publication

11/20/1984

Progress at the INPI

  1. Filing04/15/83
  2. Publication11/20/84
  3. Examination03/12/85
  4. Allowance04/01/86
  5. Grant08/26/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/02/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. M. (pessoa física)

Inventors

Z. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/02/1988

RPI 928

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/01/1986

RPI 806

Exigência - art. 36 da LPI

#6.1

10/01/1985

RPI 780

Solicitação de exame técnico

#4.1

03/12/1985

RPI 751

Publicação do pedido de patente

#3.1

11/20/1984

RPI 735

Pedido de patente depositado

#2.1

06/07/1983

RPI 659

Carta-patente expirada

#21.1

Patente extinta em 15/04/98

08/19/2008

RPI 1963

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