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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI8107201

Type

Invention Patent

Filing

02/26/1981

Publication

01/05/1982

Progress at the INPI

  1. Filing02/26/81
  2. Publication01/05/82
  3. Examination09/13/83
  4. Allowance12/17/85
  5. Grant08/26/86
  6. Terminated09/20/94

The patent was granted on 08/26/1986 and later terminated for failure to pay the annuities. The technology is in the public domain 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, Inc.

US

See this company's full portfolio

Inventors

F. G. (pessoa física)

T. R. (pessoa física)

Technical data

IPC Classification

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

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

Conhecimento de parecer técnico

#7.1

05/28/1985

RPI 762

Exigência - art. 36 da LPI

#6.1

09/25/1984

RPI 727

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Notificação de entrada na fase nacional - PCT

#1.3

01/05/1982

RPI 585

Anuidade - prazo legal encerrado

#18.2

09/20/1994

RPI 1242

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