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Official data from INPI

DISPOSITIVO DE FECHAMENTO PARA UMA CAMARA,ESPECIALMENTE A CAMARA FRIGORIFICA DE UMA INSTALACAO PARA REFRIGERACAO SECA DO COQUE

Em AnáliseInvention Patent

Application data

Number

PI7902085

Type

Invention Patent

Filing

04/12/1978

Publication

-

Progress at the INPI

  1. Filing04/12/78
  2. Publication
  3. Examination02/16/82
  4. Allowance03/22/83
  5. Grant10/25/83
  6. Terminated06/24/86

The patent was granted on 10/25/1983 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: 06/24/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. E. (pessoa física)

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Inventors

B. W. (pessoa física)

G. M. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/24/1986

RPI 818

Cessão de direito de exploração

#22.1

06/04/1985

RPI 763

16.3

01/10/1984

RPI 690

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

08/02/1983

RPI 667

Deferimento

#9.1

03/22/1983

RPI 648

6.2

08/10/1982

RPI 616

Solicitação de exame técnico

#4.1

02/16/1982

RPI 591

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