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Official data from INPI

ESCADA HELICOIDAL DE METAL

Em AnáliseInvention Patent

Application data

Number

PI7703016

Type

Invention Patent

Filing

05/09/1977

Publication

-

Progress at the INPI

  1. Filing05/09/77
  2. Publication
  3. Examination
  4. Refused07/13/82
  5. Grant
  6. In force

The application was refused on 07/13/1982 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: 07/13/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

TOP ESCADAS IND COM LTD

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

07/13/1982

RPI 612

Petição de recurso

#12.2

03/02/1982

RPI 593

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era E04F 11/12.

03/27/2018

RPI 2464

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