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Official data from INPI

FILTRO COM ELEMENTO DESCARTAVEL

Arquivada/ExtintaUtility Model

Application data

Number

MU5800291

Type

Utility Model

Filing

03/09/1978

Publication

-

Progress at the INPI

  1. Filing03/09/78
  2. Publication
  3. Examination
  4. Allowance04/20/82
  5. Grant11/29/83
  6. Expired08/16/88

The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. J. (pessoa física)

Inventors

C. J. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

Concessão da patente

#16.1

11/29/1983

RPI 684

Notificação para pagamento de retribuição

#13.1

08/09/1983

RPI 668

110

03/22/1983

RPI 648

Recurso

#12.1

08/17/1982

RPI 617

Deferimento

#9.1

04/20/1982

RPI 600

8.1

03/09/1982

RPI 594

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 29/32.

03/27/2018

RPI 2464

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