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Official data from INPI

FREIO DE TAMBOR DE SAPATA REGULÁVEL AUTOMÁTICAMENTE.

Em AnáliseInvention Patent

Application data

Number

PI8003186

Type

Invention Patent

Filing

05/21/1980

Publication

-

Progress at the INPI

  1. Filing05/21/80
  2. Publication
  3. Examination03/22/83
  4. Allowance05/08/84
  5. Grant11/27/84
  6. Expired06/13/95

The letters patent expired on 06/13/1995: 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: 12/10/1985. 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. W. (pessoa física)

Technical data

IPC Classification

Priority claims

GB

791.7628 · 05/21/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

12/10/1985

RPI 790

Concessão da patente

#16.1

11/27/1984

RPI 736

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/08/1984

RPI 707

Exigência - art. 36 da LPI

#6.1

10/25/1983

RPI 679

Solicitação de exame técnico

#4.1

03/22/1983

RPI 648

Carta-patente expirada

#21.1

06/13/1995

RPI 1280

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