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Official data from INPI

CONJUNTO PARA CARREGAR COQUE INCANDESCENTE EM UMA CUBA DE REFRIGERACAO, SUJEITA A GASES DE REFRIGERACAO

Em AnáliseInvention Patent
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Application data

Number

PI8100458

Type

Invention Patent

Filing

01/31/1980

Publication

-
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Progress at the INPI

  1. Filing01/31/80
  2. Publication
  3. Examination10/13/82
  4. Allowance04/24/84
  5. Grant10/30/84
  6. Terminated11/16/88

The patent was granted on 10/30/1984 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: 11/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRUPP KOPPERS GMBH

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Inventors

L. J. (pessoa física)

Technical data

IPC Classification

C10B 31/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

11/16/1988

RPI 943

200

06/09/1987

RPI 868

Concessão da patente

#16.1

10/30/1984

RPI 732

Notificação para pagamento de retribuição

#13.1

08/21/1984

RPI 722

Deferimento

#9.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

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