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Official data from INPI

CONJUNTO DE SERVO FREIO.

ConcedidaInvention Patent

Application data

Number

PI7904245

Type

Invention Patent

Filing

07/05/1979

Publication

-

Progress at the INPI

  1. Filing07/05/79
  2. Publication
  3. Examination03/23/82
  4. Allowance12/07/82
  5. Grant06/28/83
  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: 06/28/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Lucas Industries Limited.

GB

See this company's full portfolio

Inventors

C. L. (pessoa física)

T. A. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

29255/78 · 07/08/1978

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/17/1983

RPI 656

Republicação - classificação IPC

#15.11

02/08/1983

RPI 642

Deferimento

#9.1

12/07/1982

RPI 633

Solicitação de exame técnico

#4.1

03/23/1982

RPI 596

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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