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Official data from INPI

PROCESSO E DISPOSITIVO PARA O RESFRIAMENTO DE UM FORNO DE CUBA PARA A CALCINACAO DE CAL,DOLOMITA OU MAGNESITA

Em AnáliseInvention Patent

Application data

Number

PI7708298

Type

Invention Patent

Filing

12/17/1976

Publication

-

Progress at the INPI

  1. Filing12/17/76
  2. Publication
  3. Examination
  4. Allowance10/26/82
  5. Grant05/31/83
  6. Terminated12/15/87

The patent was granted on 05/31/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KLOECKNER HUMBOLDT DEUTZ AG

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Inventors

B. H. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

05/31/1983

RPI 658

Notificação para pagamento de retribuição

#13.1

03/15/1983

RPI 647

Deferimento

#9.1

10/26/1982

RPI 627

Exigência - art. 36 da LPI

#6.1

04/27/1982

RPI 601

15.0

11/24/1981

RPI 579

Exigência - art. 36 da LPI

#6.1

10/27/1981

RPI 575

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