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Official data from INPI

APERFEICOAMENTO EM APARELHAGEM PARA TRATAMENTO CONTINUO DE TIRAS DE LIGAS,EM TANQUE TENDO UM CILINDRO NO SEU INTERIOR,EM COMBINACAO DE TANQUE E CILINDRO DE GUIA;E PROCESSO PARA TRATAMENTO DE TIRAS DE LIGA DE ACO COM DIVERSAS COMPOSICOES

ArquivadaInvention Patent

Application data

Number

PI7800892

Type

Invention Patent

Filing

02/17/1977

Publication

-

Progress at the INPI

  1. Filing02/17/77
  2. Publication
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 03/15/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

ALLEGHENY LUDLUM IND INC

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

03/15/1983

RPI 647

6.2

02/02/1982

RPI 589

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