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Official data from INPI

ESTRUTURA SUSTENTADORA DE CARGA E MÉTODO PARA A SUA FABRICAÇÃO.

Em AnáliseInvention Patent

Application data

Number

PI8009053

Type

Invention Patent

Filing

04/09/1980

Publication

03/09/1982

Progress at the INPI

  1. Filing04/09/80
  2. Publication03/09/82
  3. Examination10/04/83
  4. Allowance05/15/84
  5. Grant12/26/84
  6. Terminated07/12/88

The patent was granted on 12/26/1984 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

See this company's full portfolio

Inventors

K. H. (pessoa física)

Technical data

IPC Classification

Priority claims

US

80/00398 · 04/09/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

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

05/15/1984

RPI 708

Solicitação de exame técnico

#4.1

10/04/1983

RPI 676

Notificação de entrada na fase nacional - PCT

#1.3

03/09/1982

RPI 594

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