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Official data from INPI

APARELHO E PROCESSO PARA AQUECIMENTO DE LÍQUIDO.

PublicadaInvention Patent
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Application data

Number

PI8703487

Type

Invention Patent

Filing

07/08/1987

Publication

03/22/1988
View on INPI

Progress at the INPI

  1. Filing07/08/87
  2. Publication03/22/88
  3. Examination12/11/90
  4. Allowance
  5. Grant
  6. In force

Published on 03/22/1988, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 03/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. D. (pessoa física)

BO

Inventors

N. D. (pessoa física)

BO

P. D. (pessoa física)

IT

Technical data

IPC Classification

H05B 3/00

Priority claims

US

884809 · 07/11/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

03/22/1988

RPI 909

Pedido de patente depositado

#2.1

09/01/1987

RPI 880

Retificação

#15.3

05/11/1993

RPI 1171

Solicitação de exame técnico

#4.1

12/11/1990

RPI 1045

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