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Official data from INPI

ELEMENTO DE CONTROLE AJUSTÁVEL, CONSOLE DE CONTROLE AJUSTÁVEL, MECANISMO DE CENTRAGEM PARA SER EMPREGADO COM ELEMENTO DE CONTROLE AJUSTÁVEL

ConcedidaInvention Patent

Application data

Number

PI8407273

Type

Invention Patent

Filing

03/08/1984

Publication

01/21/1986

Progress at the INPI

  1. Filing03/08/84
  2. Publication01/21/86
  3. Examination10/06/87
  4. Allowance11/01/88
  5. Grant09/26/89
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

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Inventors

C. R. (pessoa física)

US

G. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

571.287 · 01/16/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/26/1989

RPI 988

Notificação para pagamento de retribuição

#13.1

02/21/1989

RPI 957

Deferimento

#9.1

11/01/1988

RPI 941

14.1

04/12/1988

RPI 912

Solicitação de exame técnico

#4.1

10/06/1987

RPI 885

Notificação de entrada na fase nacional - PCT

#1.3

01/21/1986

RPI 796

Carta-patente expirada

#21.1

Patente extinta em 08/03/99

07/08/2008

RPI 1957

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