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Official data from INPI

LABORATORIO OTICO PARA ESTUDO DOS FENOMENOS LUMINOSOS BASICOS

ArquivadaInvention Patent

Application data

Number

PI7704525

Type

Invention Patent

Filing

07/11/1977

Publication

-

Progress at the INPI

  1. Filing07/11/77
  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: 01/05/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MAXWELL METALURGICA & EQUIPAME

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

01/05/1982

RPI 585

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G02B 27/04; B01L 11/00.

03/27/2018

RPI 2464

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