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Official data from INPI

SEM TITULO

Em AnáliseInvention Patent

Application data

Number

PI7408589

Type

Invention Patent

Filing

10/16/1974

Publication

-

Progress at the INPI

  1. Filing10/16/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force10/16/94

The patent is in force and subject to a compulsory licence request: third parties have asked for authorisation to exploit the technology.

Protection valid until:10/16/1994

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Latest action published by the INPI: 03/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. D. (pessoa física)

Inventors

E. B. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.4

03/24/1987

RPI 857

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F21M 7/00.

03/27/2018

RPI 2464

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