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Official data from INPI

PROCESSO DE APROVEITAMENTO DA LIXÍVIA COMO MATÉRIA PRIMA VITRIFICÁVEL.

Em AnáliseInvention Patent
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Application data

Number

PI8306583

Type

Invention Patent

Filing

11/30/1983

Publication

04/10/1984
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Progress at the INPI

  1. Filing11/30/83
  2. Publication04/10/84
  3. Examination07/10/84
  4. Refused08/25/87
  5. Grant
  6. In force

The application was refused on 08/25/1987 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: 08/25/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. M. (pessoa física)

SP, BR

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Inventors

M. C. (pessoa física)

Technical data

IPC Classification

C03B 1/00C03C 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

08/25/1987

RPI 879

Petição de recurso

#12.2

02/03/1987

RPI 850

6.4

11/25/1986

RPI 840

Indeferimento

#9.2

09/30/1986

RPI 832

6.4

05/06/1986

RPI 811

Conhecimento de parecer técnico

#7.1

12/17/1985

RPI 791

Pedido de certificado de adição de invenção

#5.1

12/04/1984

RPI 737

Solicitação de exame técnico

#4.1

07/10/1984

RPI 716

Publicação antecipada

#3.2

04/10/1984

RPI 703

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

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