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Official data from INPI

PISTAO PARA UM AGREGADO PNEUMATICO,HIDRAULICO OU HIDROPNEUMATICO

ConcedidaInvention Patent

Application data

Number

PI8106541

Type

Invention Patent

Filing

10/22/1980

Publication

06/29/1982

Progress at the INPI

  1. Filing10/22/80
  2. Publication06/29/82
  3. Examination11/22/83
  4. Allowance10/30/84
  5. Grant05/28/85
  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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

STABILUS GMBH

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Inventors

S. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/05/1985

RPI 750

Deferimento

#9.1

10/30/1984

RPI 732

Exigência - art. 36 da LPI

#6.1

05/08/1984

RPI 707

Solicitação de exame técnico

#4.1

11/22/1983

RPI 683

Publicação do pedido de patente

#3.1

06/29/1982

RPI 610

Pedido de patente depositado

#2.1

11/24/1981

RPI 579

Carta-patente expirada

#21.1

Patente extinta em 09/10/96

08/19/2008

RPI 1963

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