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Official data from INPI

LIMITADOR DE CONSUMO DE ÁGUA TRATADA

Em AnáliseInvention Patent
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Application data

Number

PI8101530

Type

Invention Patent

Filing

03/16/1981

Publication

10/26/1982
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Progress at the INPI

  1. Filing03/16/81
  2. Publication10/26/82
  3. Examination12/27/83
  4. Refused11/25/86
  5. Grant
  6. In force

The application was refused on 11/25/1986 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 11/25/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Companhia de Saneamento de Minas Gerais - Copasa

MG, BR

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Inventors

N. D. (pessoa física)

Technical data

IPC Classification

E03B 7/07

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

11/25/1986

RPI 840

Petição de recurso

#12.2

05/06/1986

RPI 811

8.1

11/05/1985

RPI 785

Indeferimento

#9.2

07/09/1985

RPI 768

Conhecimento de parecer técnico

#7.1

09/18/1984

RPI 726

Solicitação de exame técnico

#4.1

12/27/1983

RPI 688

Publicação do pedido de patente

#3.1

10/26/1982

RPI 627

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