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Official data from INPI

PROCESSO APERFEICOADO PARA RECUPERACAO DE CONTEUDOS DE METAL DE UMA FONTE QUE OS CONTEM

IndeferidaInvention Patent

Application data

Number

PI8001144

Type

Invention Patent

Filing

02/27/1980

Publication

-

Progress at the INPI

Under appeal
  1. Filing02/27/80
  2. Publication
  3. Examination09/13/83
  4. Refused02/18/86
  5. Grant
  6. In force

The application was refused by the INPI on 02/18/1986. The invention was never patented.

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

UOP INC [US]

Inventors

R. U. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/18/1986

RPI 800

Conhecimento de parecer técnico

#7.1

03/19/1985

RPI 752

Solicitação de exame técnico

#4.1

09/13/1983

RPI 673

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C22B 1/02; C22B 15/10; C22B 23/04.

03/27/2018

RPI 2464

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