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Official data from INPI

TRANSMISSAO DE ENGRENAGENS DE MUDANCA DE VELOCIDADE

Em AnáliseInvention Patent

Application data

Number

PI7803596

Type

Invention Patent

Filing

06/02/1977

Publication

-

Progress at the INPI

  1. Filing06/02/77
  2. Publication
  3. Examination
  4. Allowance02/16/83
  5. Grant09/27/83
  6. Expired11/30/93

The letters patent expired on 11/30/1993: 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: 10/08/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EATON CORP

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Inventors

R. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

10/08/1985

RPI 781

Concessão da patente

#16.1

09/27/1983

RPI 675

Notificação para pagamento de retribuição

#13.1

06/14/1983

RPI 660

Deferimento

#9.1

02/16/1983

RPI 643

Exigência - art. 36 da LPI

#6.1

04/27/1982

RPI 601

Carta-patente expirada

#21.1

11/30/1993

RPI 1200

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