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Official data from INPI

PROCESSO E DISPOSITIVO PARA A DESAGREGACAO DE MATERIA SOLIDA

Em AnáliseInvention Patent
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Application data

Number

PI8107914

Type

Invention Patent

Filing

12/07/1981

Publication

12/06/1983
View on INPI

Progress at the INPI

  1. Filing12/07/81
  2. Publication12/06/83
  3. Examination12/11/84
  4. Allowance12/17/85
  5. Grant07/29/86
  6. Terminated06/21/88

The patent was granted on 07/29/1986 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. E. (pessoa física)

Inventors

E. [. (pessoa física)

Technical data

IPC Classification

B02C 19/18

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Deferimento

#9.1

12/17/1985

RPI 791

8.1

11/05/1985

RPI 785

Solicitação de exame técnico

#4.1

12/11/1984

RPI 738

14.1

09/04/1984

RPI 724

14.1

01/10/1984

RPI 690

14.10

12/20/1983

RPI 687

Publicação do pedido de patente

#3.1

12/06/1983

RPI 685

14.2

05/31/1983

RPI 658

Pedido de patente depositado

#2.1

01/26/1982

RPI 588

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