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Official data from INPI

APERFEIÇOAMENTO EM PERMUTADORES DE CALOR.

ConcedidaInvention Patent
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Application data

Number

PI8107832

Type

Invention Patent

Filing

11/30/1981

Publication

08/23/1983
View on INPI

Progress at the INPI

  1. Filing11/30/81
  2. Publication08/23/83
  3. Examination11/08/83
  4. Allowance04/16/85
  5. Grant10/29/85
  6. In force11/30/01

The patent was granted on 10/29/1985 and is in force until 11/30/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:11/30/2001

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Latest action published by the INPI: 10/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Colméia S/A Indústria Paulista de Radiadores

SP, BR

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Inventors

F. D. (pessoa física)

Technical data

IPC Classification

F28D 7/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

10/29/1985

RPI 784

Notificação para pagamento de retribuição

#13.1

08/06/1985

RPI 772

Deferimento

#9.1

04/16/1985

RPI 756

Exigência - art. 36 da LPI

#6.1

09/18/1984

RPI 726

Exigência - art. 36 da LPI

#6.1

05/02/1984

RPI 706

Solicitação de exame técnico

#4.1

11/08/1983

RPI 681

Publicação do pedido de patente

#3.1

08/23/1983

RPI 670

Pedido de patente depositado

#2.1

01/12/1982

RPI 586

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