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Official data from INPI

PLACA PARA TROCADOR DE CALOR E TROCADOR DE CALOR

Em AnáliseInvention Patent
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Application data

Number

PI8200481

Type

Invention Patent

Filing

01/20/1982

Publication

11/30/1982
View on INPI

Progress at the INPI

  1. Filing01/20/82
  2. Publication11/30/82
  3. Examination02/05/85
  4. Allowance07/08/86
  5. Grant03/17/87
  6. Terminated05/24/88

The patent was granted on 03/17/1987 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 05/24/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The A.P.V. Company Limited

GB

Inventors

F. W. (pessoa física)

FR

Technical data

IPC Classification

F28F 3/10

Priority claims

GB

8102899 · 01/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/24/1988

RPI 918

Concessão da patente

#16.1

03/17/1987

RPI 856

Notificação para pagamento de retribuição

#13.1

11/04/1986

RPI 837

Deferimento

#9.1

07/08/1986

RPI 820

Exigência - art. 36 da LPI

#6.1

01/14/1986

RPI 795

Exigência - art. 36 da LPI

#6.1

07/23/1985

RPI 770

Solicitação de exame técnico

#4.1

02/05/1985

RPI 746

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

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