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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM ELEMENTO FILTRANTE

PublicadaUtility Model

Application data

Number

MU6800159

Type

Utility Model

Filing

02/02/1988

Publication

09/19/1989

Progress at the INPI

  1. Filing02/02/88
  2. Publication09/19/89
  3. Examination03/20/90
  4. Allowance10/15/91
  5. Grant08/04/92
  6. Expired09/25/01

The letters patent expired on 09/25/2001: 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: 09/19/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ulfer Indústria e Comércio de Produtos Eletrodomésticos Ltda

SP, BR

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Inventors

M. D. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/19/1989

RPI 987

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

Carta-patente expirada

#21.1

Patente extinta em 02/02/98 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/25/2001

RPI 1603

Concessão da patente

#16.1

08/04/1992

RPI 1131

Notificação para pagamento de retribuição

#13.1

02/18/1992

RPI 1107

Deferimento

#9.1

10/15/1991

RPI 1089

Solicitação de exame técnico

#4.1

03/20/1990

RPI 1010

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