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Official data from INPI

APERFEICOAMENTO EM MEMBRANA ACIONADA

Em AnáliseInvention Patent
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Application data

Number

PI7607790

Type

Invention Patent

Filing

11/22/1976

Publication

-
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Progress at the INPI

  1. Filing11/22/76
  2. Publication
  3. Examination
  4. Refused11/03/82
  5. Grant
  6. In force

The application was refused on 11/03/1982 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: 11/03/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. E. (pessoa física)

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Inventors

No inventors listed.

Technical data

IPC Classification

H05B 1/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

11/03/1982

RPI 628

Petição de recurso

#12.2

08/03/1982

RPI 615

Indeferimento

#9.2

04/13/1982

RPI 599

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: H05B 1/00; A47K 3/22.

03/27/2018

RPI 2464

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