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Official data from INPI

DISPOSITIVO PERMUTADOR DE CALOR CURSO PARA O AQUECIMENTO E A CLIMATIZACAO SOLARES DE LOCAIS E INSTALACOES CONSTITUIDAS POR TAIS DISPOSITIVOS

Em AnáliseInvention Patent

Application data

Number

PI8103106

Type

Invention Patent

Filing

04/24/1981

Publication

02/09/1982

Progress at the INPI

  1. Filing04/24/81
  2. Publication02/09/82
  3. Examination02/21/84
  4. Allowance04/09/85
  5. Grant10/29/85
  6. Terminated07/12/88

The patent was granted on 10/29/1985 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: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SORELEC

Inventors

E. B. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

07/30/1985

RPI 771

Deferimento

#9.1

04/09/1985

RPI 755

Exigência - art. 36 da LPI

#6.1

09/04/1984

RPI 724

Solicitação de exame técnico

#4.1

02/21/1984

RPI 696

Publicação do pedido de patente

#3.1

02/09/1982

RPI 590

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