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Official data from INPI

CARGA APERFEICOADA PARA FILTROS,TORNEIRAS E OUTROS

Arquivada/ExtintaUtility Model

Application data

Number

MU5701417

Type

Utility Model

Filing

11/09/1977

Publication

-

Progress at the INPI

  1. Filing11/09/77
  2. Publication
  3. Examination
  4. Allowance01/04/83
  5. Grant06/28/83
  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

D. M. (pessoa física)

Inventors

D. M. (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

Pedido de licença compulsória

#20.1

07/10/1984

RPI 716

Concessão da patente

#16.1

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

05/24/1983

RPI 657

Deferimento

#9.1

01/04/1983

RPI 637

8.1

08/24/1982

RPI 618

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era B01D 29/24.

03/27/2018

RPI 2464

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