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Official data from INPI

APARELHO COM DISPOSITIVO DE TROCA DE CALOR PARA TRATAMENTO DE MATERIAIS SÓLIDOS, GRANULARES E AGREGADOS.

DeferidaInvention Patent

Application data

Number

PI8407004

Type

Invention Patent

Filing

07/13/1984

Publication

07/02/1985

Progress at the INPI

  1. Filing07/13/84
  2. Publication07/02/85
  3. Examination09/01/87
  4. Allowance12/05/89
  5. Grant05/29/90
  6. Terminated03/03/92

The patent was granted on 05/29/1990 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Combustion Engineering, Inc.

US

See this company's full portfolio

Inventors

V. D. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

521.498 · 08/08/1983

US

PCT/84/01093 · 07/13/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

12/05/1989

RPI 998

Exigência - art. 36 da LPI

#6.1

06/06/1989

RPI 972

Solicitação de exame técnico

#4.1

09/01/1987

RPI 880

Notificação de entrada na fase nacional - PCT

#1.3

07/02/1985

RPI 767

Anuidade - prazo legal encerrado

#18.2

03/03/1992

RPI 1109

Concessão da patente

#16.1

05/29/1990

RPI 1020

Notificação para pagamento de retribuição

#13.1

04/10/1990

RPI 1013

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