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Official data from INPI

CONJUNTO DE DENTE DE CANTO DESPRENDÍVEL.

Em AnáliseInvention Patent

Application data

Number

PI7908385

Type

Invention Patent

Filing

12/20/1979

Publication

-

Progress at the INPI

  1. Filing12/20/79
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant08/28/84
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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

E. B. (pessoa física)

Technical data

IPC Classification

Priority claims

US

916.456 · 06/16/1978

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

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Conhecimento de parecer técnico

#7.1

02/08/1983

RPI 642

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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