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Official data from INPI

REFRIGERADOR EM FORMA DE POÇO PARA ARREFECIMENTO A SECO DO COQUE.

ConcedidaInvention Patent

Application data

Number

PI8103019

Type

Invention Patent

Filing

05/15/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing05/15/81
  2. Publication02/09/82
  3. Examination06/15/82
  4. Allowance06/05/84
  5. Grant12/26/84
  6. Terminated08/07/90

The patent was granted on 12/26/1984 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: 12/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dr. C. Otto & Comp. Gmbh

DE

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Inventors

D. W. (pessoa física)

G. W. (pessoa física)

T. J. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 30 18 814.8 · 05/16/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/26/1984

RPI 740

Notificação para pagamento de retribuição

#13.1

10/02/1984

RPI 728

Deferimento

#9.1

06/05/1984

RPI 711

Solicitação de exame técnico

#4.1

06/15/1982

RPI 608

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

08/07/1990

RPI 1027

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