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Official data from INPI

POLTRA-FILTRO.

ConcedidaUtility Model

Application data

Number

MU6001583

Type

Utility Model

Filing

11/25/1980

Publication

-

Progress at the INPI

  1. Filing11/25/80
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant08/28/84
  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.

Talk to a specialist

Latest action published by the INPI: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Melida Comércio e Indústria Ltda.

SP, BR

Inventors

K. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Republicação - classificação IPC

#15.11

08/07/1984

RPI 720

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/27/1983

RPI 675

Pedido de certificado de adição de invenção

#5.1

01/05/1982

RPI 585

Carta-patente expirada

#21.1

12/07/1993

RPI 1201

20.7

03/20/1990

RPI 1010

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