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Official data from INPI

GUARNIÇÃO DE PAPEL DE FILTRO, DESTINADA A UM DISPOSITIVO DE FILTRAGEM PARA A PRODUÇÃO DE EXTRATOS AROMÁTICOS.

Em AnáliseInvention Patent

Application data

Number

PI7908214

Type

Invention Patent

Filing

12/14/1979

Publication

-

Progress at the INPI

  1. Filing12/14/79
  2. Publication
  3. Examination07/13/82
  4. Refused08/28/84
  5. Grant
  6. In force

The application was refused on 08/28/1984 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Melitta-Werke Bentz & Sohn

DE

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Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

08/28/1984

RPI 723

Petição de recurso

#12.2

12/27/1983

RPI 688

Indeferimento

#9.2

09/20/1983

RPI 674

Republicação - classificação IPC

#15.11

05/10/1983

RPI 655

Conhecimento de parecer técnico

#7.1

03/15/1983

RPI 647

Solicitação de exame técnico

#4.1

07/13/1982

RPI 612

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