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Official data from INPI

GARRA ROLANTE PARA SAPATAS DE ESTEIRAS.

Em AnáliseInvention Patent

Application data

Number

PI8108980

Type

Invention Patent

Filing

03/04/1981

Publication

01/25/1983

Progress at the INPI

  1. Filing03/04/81
  2. Publication01/25/83
  3. Examination07/17/84
  4. Allowance04/09/85
  5. Grant11/26/85
  6. Terminated09/25/90

The patent was granted on 11/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/29/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

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Inventors

K. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

81/00274 · 03/04/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

03/29/1988

RPI 910

Concessão da patente

#16.1

11/26/1985

RPI 788

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

07/17/1984

RPI 717

Notificação de entrada na fase nacional - PCT

#1.3

01/25/1983

RPI 640

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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