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Official data from INPI

BALANCEIRO EM COTOVELO MONTADO COM ROSCA

Em AnáliseInvention Patent

Application data

Number

PI7808717

Type

Invention Patent

Filing

07/20/1979

Publication

-

Progress at the INPI

  1. Filing07/20/79
  2. Publication
  3. Examination06/21/83
  4. Allowance05/22/84
  5. Grant12/26/84
  6. Expired05/31/94

The letters patent expired on 05/31/1994: 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: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Company

See this company's full portfolio

Inventors

F. R. (pessoa física)

Technical data

IPC Classification

Priority claims

US

872.869 · 01/27/1978

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

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

09/04/1984

RPI 724

Deferimento

#9.1

05/22/1984

RPI 709

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

11.8

06/14/1983

RPI 660

Republicação

#1.2

04/27/1982

RPI 601

Carta-patente expirada

#21.1

05/31/1994

RPI 1226

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