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Official data from INPI

IMPLEMENTO DE CIRCULACAO FORCADA DE FLUIDO TERMICO EM DESSECADORES

ConcedidaInvention Patent

Application data

Number

PI8102074

Type

Invention Patent

Filing

04/06/1981

Publication

11/09/1982

Progress at the INPI

  1. Filing04/06/81
  2. Publication11/09/82
  3. Examination09/06/83
  4. Allowance11/13/84
  5. Grant06/25/85
  6. Terminated06/20/95

The patent was granted on 06/25/1985 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: 06/25/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

INST MAUA TECNOLOGIA IMT [BR]

Inventors

C. (pessoa física)

D. A. (pessoa física)

J. A. (pessoa física)

T. J. (pessoa física)

W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/25/1985

RPI 766

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

05/15/1984

RPI 708

Solicitação de exame técnico

#4.1

09/06/1983

RPI 672

Publicação do pedido de patente

#3.1

11/09/1982

RPI 629

Anuidade - prazo legal encerrado

#18.2

06/20/1995

RPI 1281

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