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Official data from INPI

LAMINA DE CONSTRUCAO CELULAR PARA BULIDOZER E PROCESSO PARA SUA FABRICACAO

Em AnáliseInvention Patent

Application data

Number

PI7607688

Type

Invention Patent

Filing

11/26/1975

Publication

-

Progress at the INPI

  1. Filing11/26/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

CATERPILLAR TRACTOR CO

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/22/1988

RPI 909

Notificação para pagamento de retribuição

#13.1

07/06/1982

RPI 611

Notificação para pagamento de retribuição

#13.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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