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Official data from INPI

INVOLUCRO DE FILTRO

Em AnáliseInvention Patent

Application data

Number

PI7801179

Type

Invention Patent

Filing

02/28/1977

Publication

-

Progress at the INPI

  1. Filing02/28/77
  2. Publication
  3. Examination
  4. Refused02/18/86
  5. Grant
  6. In force

The application was refused on 02/18/1986 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: 02/18/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ULTRAFILTER GMBH

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

02/18/1986

RPI 800

Petição de recurso

#12.2

10/08/1985

RPI 781

Indeferimento

#9.2

06/25/1985

RPI 766

Conhecimento de parecer técnico

#7.1

12/06/1983

RPI 685

Republicação - classificação IPC

#15.11

05/24/1983

RPI 657

6.2

01/19/1982

RPI 587

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