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Official data from INPI

PROCESSO E INSTALAÇÃO PARA TRITURAÇÃO DE MATERIAL MOÍDO FRIÁVEL

PublicadaInvention Patent

Application data

Number

PI8802553

Type

Invention Patent

Filing

05/25/1988

Publication

12/20/1988

Progress at the INPI

  1. Filing05/25/88
  2. Publication12/20/88
  3. Examination09/25/90
  4. Allowance04/30/91
  5. Grant03/31/92
  6. Terminated10/24/95

The patent was granted on 03/31/1992 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: 12/20/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Krupp Polysius AG

DE

See this company's full portfolio

Inventors

L. L. (pessoa física)

DE

W. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P3717976.4 · 05/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/20/1988

RPI 948

Pedido de patente depositado

#2.1

10/18/1988

RPI 939

Anuidade - prazo legal encerrado

#18.2

10/24/1995

RPI 1299

Concessão da patente

#16.1

03/31/1992

RPI 1113

Notificação para pagamento de retribuição

#13.1

08/13/1991

RPI 1080

Deferimento

#9.1

04/30/1991

RPI 1065

Solicitação de exame técnico

#4.1

09/25/1990

RPI 1034

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