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Official data from INPI

DISPOSIÇÃO INTRODUZIDA EM DEPURADOR DE GASES.

ConcedidaUtility Model
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Application data

Number

MU6300608

Type

Utility Model

Filing

05/11/1983

Publication

08/16/1983
View on INPI

Progress at the INPI

  1. Filing05/11/83
  2. Publication08/16/83
  3. Examination10/18/83
  4. Allowance11/12/85
  5. Grant07/29/86
  6. In force05/11/98

The patent was granted on 07/29/1986 and is in force until 05/11/1998. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:05/11/1998

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Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Engedep Engenharia e Montagens Industriais Ltda.

SP, BR

Inventors

P. D. (pessoa física)

Technical data

IPC Classification

F24F 3/16

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

04/15/1986

RPI 808

Republicação - classificação IPC

#15.11

11/19/1985

RPI 787

Deferimento

#9.1

11/12/1985

RPI 786

Solicitação de exame técnico

#4.1

10/18/1983

RPI 678

Publicação antecipada

#3.2

08/16/1983

RPI 669

Pedido de patente depositado

#2.1

06/28/1983

RPI 662

14.5

04/13/1993

RPI 1167

14.8

04/13/1993

RPI 1167

15.7

02/02/1993

RPI 1157

15.15

04/07/1992

RPI 1114

Retificação

#15.3

11/05/1991

RPI 1092

Concessão anulada

#16.2

09/03/1991

RPI 1083

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