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Official data from INPI

DISPOSIÇÕES CONSTRUTIVAS EM ELEMENTO FILTRANTE

Em AnáliseUtility Model
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Application data

Number

MU6700324

Type

Utility Model

Filing

02/24/1987

Publication

09/06/1988
View on INPI

Progress at the INPI

  1. Filing02/24/87
  2. Publication09/06/88
  3. Examination11/01/88
  4. Allowance11/13/90
  5. Grant06/25/91
  6. Expired09/18/01

The letters patent expired on 09/18/2001: 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: 12/05/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Filtros Irlemp Racor Indústria e Comércio Ltda

SP, BR

Parker Hannifin do Brasil Industria e Comercio Ltda

SP, BR

Inventors

E. B. (pessoa física)

BR

Technical data

IPC Classification

B01D 27/00

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

14.1

12/05/1989

RPI 998

14.6

09/19/1989

RPI 987

Solicitação de exame técnico

#4.1

11/01/1988

RPI 941

Publicação do pedido de patente

#3.1

09/06/1988

RPI 933

Pedido de patente depositado

#2.1

07/07/1987

RPI 872

Republicação - classificação IPC

#15.11

12/29/2009

RPI 2034

Carta-patente expirada

#21.1

Patente extinta em 24/02/97 conforme disposto no artigo 24 da Lei 5772/71 (CPI).

09/18/2001

RPI 1602

20.4

03/15/1994

RPI 1215

20.7

03/08/1994

RPI 1214

20.7

03/01/1994

RPI 1213

Concessão da patente

#16.1

06/25/1991

RPI 1073

Notificação para pagamento de retribuição

#13.1

02/26/1991

RPI 1056

Deferimento

#9.1

11/13/1990

RPI 1041

14.7

01/09/1990

RPI 1001

14.4

01/02/1990

RPI 1000

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