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Official data from INPI

CORPO DE CAMINHAO E RESPECTIVO PROCESSO DE CONSTRUCAO

Em AnáliseInvention Patent
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Application data

Number

PI7806188

Type

Invention Patent

Filing

11/10/1977

Publication

-
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Progress at the INPI

  1. Filing11/10/77
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant01/25/83
  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.

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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

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Inventors

P. B. (pessoa física)

Technical data

IPC Classification

B60P 1/28

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/22/1988

RPI 909

Concessão da patente

#16.1

01/25/1983

RPI 640

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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