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Official data from INPI

TUBO APERFEICOADO DE ALUMINIO NAO REVESTIDO;PROCESSO PARA EVITAR A CORROSAO E MANCHAS EM TUBOS DE ALUMINIO NAO REVESTIDOS; COMPOSICAO ABRASIVA;PROCESSO PARA PRODUZIR UMA COMPOSICAO ABRASIVA;E COMPOSICAO DENTIFRICIA TERAPEUTICA

Em AnáliseInvention Patent

Application data

Number

PI7706095

Type

Invention Patent

Filing

09/15/1976

Publication

-

Progress at the INPI

  1. Filing09/15/76
  2. Publication
  3. Examination
  4. Allowance12/13/83
  5. Grant03/27/84
  6. Terminated12/15/87

The patent was granted on 03/27/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HUBER CORP J M [US]

Inventors

W. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

03/27/1984

RPI 701

100

12/13/1983

RPI 686

120

08/16/1983

RPI 669

Petição de recurso

#12.2

04/27/1982

RPI 601

Indeferimento

#9.2

01/05/1982

RPI 585

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