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Official data from INPI

Processo para refrigeeração seca de coque e dispositivo para a realização deste processo.

ConcedidaInvention Patent

Application data

Number

PI8300539

Type

Invention Patent

Filing

02/03/1983

Publication

11/08/1983

Progress at the INPI

  1. Filing02/03/83
  2. Publication11/08/83
  3. Examination09/10/85
  4. Allowance06/14/88
  5. Grant02/28/89
  6. Terminated04/18/95

The patent was granted on 02/28/1989 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: 02/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Bergwerksverband GMBH.

DE

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Inventors

B. G. (pessoa física)

H. K. (pessoa física)

R. W. (pessoa física)

S. H. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

3203732.5 · 02/04/1982

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/28/1989

RPI 958

Notificação para pagamento de retribuição

#13.1

10/04/1988

RPI 937

Deferimento

#9.1

06/14/1988

RPI 921

Exigência - art. 36 da LPI

#6.1

08/12/1986

RPI 825

Solicitação de exame técnico

#4.1

09/10/1985

RPI 777

Publicação do pedido de patente

#3.1

11/08/1983

RPI 681

Pedido de patente depositado

#2.1

03/22/1983

RPI 648

Anuidade - prazo legal encerrado

#18.2

04/18/1995

RPI 1272

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