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Official data from INPI

FREIO A DISCO

Em AnáliseInvention Patent

Application data

Number

PI7904541

Type

Invention Patent

Filing

08/01/1978

Publication

-

Progress at the INPI

  1. Filing08/01/78
  2. Publication
  3. Examination01/26/82
  4. Allowance10/18/83
  5. Grant03/27/84
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 07/16/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KELSEY HAYES CO

See this company's full portfolio

Inventors

E. A. (pessoa física)

G. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

201

07/16/1985

RPI 769

Pedido de licença voluntária

#17.1

02/12/1985

RPI 747

Concessão da patente

#16.1

03/27/1984

RPI 701

Notificação para pagamento de retribuição

#13.1

01/31/1984

RPI 693

Deferimento

#9.1

10/18/1983

RPI 678

Exigência - art. 36 da LPI

#6.1

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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