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Official data from INPI

APERFEIÇOAMENTO EM CLORADOR FLUTUANTE.

Em AnáliseUtility Model
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Application data

Number

MU5901547

Type

Utility Model

Filing

11/19/1979

Publication

-
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Progress at the INPI

  1. Filing11/19/79
  2. Publication
  3. Examination
  4. Allowance08/02/83
  5. Grant01/31/84
  6. Expired12/07/93

The letters patent expired on 12/07/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 01/22/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Genco Química Industrial Ltda.

SP, BR

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Inventors

E. B. (pessoa física)

Technical data

IPC Classification

C02F 1/76

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

01/22/1985

RPI 744

Concessão da patente

#16.1

01/31/1984

RPI 693

Notificação para pagamento de retribuição

#13.1

11/22/1983

RPI 683

Deferimento

#9.1

08/02/1983

RPI 667

Exigência - art. 36 da LPI

#6.1

01/25/1983

RPI 640

Exigência - art. 36 da LPI

#6.1

06/08/1982

RPI 607

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: E04H 3/20; C02F 1/76.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

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