Official data from INPI

ESCADA HELICOIDAL PRE-FABRICADA

Arquivada/ExtintaInvention Patent

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Application data

Number

PI7804555

Type

Invention Patent

Filing

07/13/1978

Publication

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Progress at the INPI

Filing07/13/78
Publication
Abandoned
Allowance
Grant
In force

The application was abandoned at the INPI. The case ended without a patent and the technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/22/1982. 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

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

8.1

06/22/1982

RPI 609

Indeferimento

#9.2

01/12/1982

RPI 586

From the same holder

ESCADAS HELICOIDAL EM BALANCO ESCADA HELICOIDAL DE METAL

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