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Official data from INPI

APERFEICOAMENTO EM OU RELATIVO A CAIXA DE TRANSFERENCIA DE POTENCIA OU TORQUE DO MOTOR DE VEICULOS

Em AnáliseInvention Patent

Application data

Number

PI7805225

Type

Invention Patent

Filing

08/14/1978

Publication

-

Progress at the INPI

  1. Filing08/14/78
  2. Publication
  3. Examination
  4. Allowance09/08/82
  5. Grant04/26/83
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 11/10/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

P. R. (pessoa física)

Inventors

P. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

11/10/1987

RPI 890

Republicação - classificação IPC

#15.11

03/07/1984

RPI 698

Concessão da patente

#16.1

04/26/1983

RPI 653

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

09/08/1982

RPI 620

Exigência - art. 36 da LPI

#6.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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