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Official data from INPI

APERFEIÇOAMENTOS EM PERMUTADORES DE CALOR OU CONDENSADORES EVAPORADORES

DeferidaInvention Patent
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Application data

Number

PI8502107

Type

Invention Patent

Filing

05/03/1985

Publication

11/04/1986
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Progress at the INPI

  1. Filing05/03/85
  2. Publication11/04/86
  3. Examination10/29/86
  4. Allowance07/18/89
  5. Grant01/09/90
  6. Terminated03/10/92

The patent was granted on 01/09/1990 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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Dodds, Diego Eduardo Federico

AR

Inventors

D. F. (pessoa física)

AR

Technical data

IPC Classification

F28D 1/04

Priority claims

AR

229.141 · 12/28/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

07/18/1989

RPI 978

Exigência - art. 36 da LPI

#6.1

01/17/1989

RPI 952

Publicação do pedido de patente

#3.1

11/04/1986

RPI 837

Solicitação de exame técnico

#4.1

10/29/1986

RPI 836

Pedido de patente depositado

#2.1

07/23/1985

RPI 770

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

Concessão da patente

#16.1

01/09/1990

RPI 1001

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