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Official data from INPI

CONJUNTO PARA DESCARREGAR DE UMA CUBA DE REFRIGERACAO CHEIA DE GASES REFRIGERANTES

ConcedidaInvention Patent
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Application data

Number

PI8100459

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. Allowance04/16/85
  5. Grant10/01/85
  6. Terminated09/25/90

The patent was granted on 10/01/1985 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: 10/01/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

KRUPP KOPPERS GMBH

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Inventors

J. F. (pessoa física)

L. J. (pessoa física)

Technical data

IPC Classification

C10B 33/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/01/1985

RPI 780

Deferimento

#9.1

04/16/1985

RPI 756

Republicação - classificação IPC

#15.11

11/27/1984

RPI 736

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

10/13/1982

RPI 625

Anuidade - prazo legal encerrado

#18.2

09/25/1990

RPI 1034

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