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Official data from INPI

PROCESSO E DISPOSITIVO PARA AQUECIMENTO E REGULAGEM AUTOMATICA DE UMA TEMPERATURA DE TRATAMENTO

ConcedidaInvention Patent

Application data

Number

PI7700948

Type

Invention Patent

Filing

02/18/1976

Publication

-

Progress at the INPI

  1. Filing02/18/76
  2. Publication
  3. Examination
  4. Allowance04/13/82
  5. Grant10/26/82
  6. Terminated10/23/90

The patent was granted on 10/26/1982 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: 10/26/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. A. (pessoa física)

Inventors

O. W. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/26/1982

RPI 627

Notificação para pagamento de retribuição

#13.1

08/03/1982

RPI 615

Deferimento

#9.1

04/13/1982

RPI 599

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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