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Official data from INPI

DISPOSITIVO DE REFORÇO DE FORÇA DE FREIO A VÁCUO.

ConcedidaInvention Patent

Application data

Number

PI8401676

Type

Invention Patent

Filing

04/10/1984

Publication

03/26/1985

Progress at the INPI

  1. Filing04/10/84
  2. Publication03/26/85
  3. Examination11/25/86
  4. Allowance04/12/88
  5. Grant10/25/88
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 10/25/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

See this company's full portfolio

Inventors

W. W. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P 33 18 744.4 · 05/24/1983

DE

P 33 27 223.9 · 07/28/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/25/1988

RPI 940

Notificação para pagamento de retribuição

#13.1

07/26/1988

RPI 927

Deferimento

#9.1

04/12/1988

RPI 912

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Solicitação de exame técnico

#4.1

11/25/1986

RPI 840

Publicação do pedido de patente

#3.1

03/26/1985

RPI 753

Pedido de patente depositado

#2.1

06/19/1984

RPI 713

Carta-patente expirada

#21.1

Patente extinta em 10/04/99

07/08/2008

RPI 1957

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