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Official data from INPI

PROCESSO DE FORJAMENTO PARA FABRICAÇÃO DE ELOS DE ESTEIRAS E ELO DE ESTEIRA FORJADO

ConcedidaInvention Patent

Application data

Number

PI8204276

Type

Invention Patent

Filing

07/22/1982

Publication

07/19/1983

Progress at the INPI

  1. Filing07/22/82
  2. Publication07/19/83
  3. Examination08/20/85
  4. Allowance09/13/88
  5. Grant05/30/89
  6. Terminated12/20/94

The patent was granted on 05/30/1989 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: 05/30/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar Tractor Co.

US

See this company's full portfolio

Inventors

P. B. (pessoa física)

FR

Technical data

IPC Classification

Priority claims

FR

81 14496 · 07/24/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

05/30/1989

RPI 971

Notificação para pagamento de retribuição

#13.1

01/03/1989

RPI 950

Republicação - classificação IPC

#15.11

11/22/1988

RPI 944

Deferimento

#9.1

09/13/1988

RPI 934

14.1

04/26/1988

RPI 914

6.3

02/02/1988

RPI 902

Exigência - art. 36 da LPI

#6.1

10/20/1987

RPI 887

Pedido de certificado de adição de invenção

#5.1

01/14/1986

RPI 795

Solicitação de exame técnico

#4.1

08/20/1985

RPI 774

Publicação do pedido de patente

#3.1

07/19/1983

RPI 665

Pedido de patente depositado

#2.1

08/31/1982

RPI 619

Anuidade - prazo legal encerrado

#18.2

12/20/1994

RPI 1255

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