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Official data from INPI

PROCESSO E APARELHO PARA USINAR ABRASIVAMENTE E ESMERILAR UMA PEÇA DE TRABALHO

Em AnáliseInvention Patent

Application data

Number

PI8208075

Type

Invention Patent

Filing

05/10/1982

Publication

03/07/1984

Progress at the INPI

  1. Filing05/10/82
  2. Publication03/07/84
  3. Examination11/26/85
  4. Allowance09/27/88
  5. Grant06/26/90
  6. Terminated04/18/95

The patent was granted on 06/26/1990 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: 01/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Caterpillar, Inc.

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

R. R. (pessoa física)

US

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

01/10/1989

RPI 951

Deferimento

#9.1

09/27/1988

RPI 936

14.1

05/17/1988

RPI 917

Solicitação de exame técnico

#4.1

11/26/1985

RPI 788

Notificação de entrada na fase nacional - PCT

#1.3

03/07/1984

RPI 698

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

Concessão da patente

#16.1

06/26/1990

RPI 1024

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