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Official data from INPI

PROCESSO DE DISPOSICAO DE PISTAO DE BOMBA DE INJECAO DE COMBUSTIVEL DE MOTOR A COMBUSTAO INTERNA E PISTAO ASSIM OBTIDO

Em AnáliseInvention Patent

Application data

Number

PI7701162

Type

Invention Patent

Filing

10/15/1976

Publication

-

Progress at the INPI

  1. Filing10/15/76
  2. Publication
  3. Examination
  4. Allowance03/22/83
  5. Grant11/29/83
  6. Expired07/27/93

The letters patent expired on 07/27/1993: 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: 06/18/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEMT

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Inventors

B. D. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

06/18/1985

RPI 765

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

6.4

06/15/1982

RPI 608

Exigência - art. 36 da LPI

#6.1

03/16/1982

RPI 595

Exigência - art. 36 da LPI

#6.1

10/20/1981

RPI 574

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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