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Official data from INPI

VÁLVULA ANTI-REFLUXO

Em AnáliseUtility Model

Application data

Number

MU6601545

Type

Utility Model

Filing

08/25/1986

Publication

05/03/1988

Progress at the INPI

  1. Filing08/25/86
  2. Publication05/03/88
  3. Examination06/28/88
  4. Allowance06/06/89
  5. Grant09/25/90
  6. In force08/25/01

The patent was granted on 09/25/1990 and is in force until 08/25/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:08/25/2001

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

M. F. (pessoa física)

SP, BR

Inventors

M. F. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação para pagamento de retribuição

#13.1

10/03/1989

RPI 989

Deferimento

#9.1

06/06/1989

RPI 972

Solicitação de exame técnico

#4.1

06/28/1988

RPI 923

Publicação do pedido de patente

#3.1

05/03/1988

RPI 915

Pedido de patente depositado

#2.1

03/31/1987

RPI 858

22.2

01/12/1993

RPI 1154

Anuidade - prazo legal encerrado

#18.2

03/10/1992

RPI 1110

20.8

09/10/1991

RPI 1084

Concessão da patente

#16.1

09/25/1990

RPI 1034

15.17

09/04/1990

RPI 1031

Retificação

#15.6

09/04/1990

RPI 1031

15.7

08/07/1990

RPI 1027

Retificação

#15.3

02/13/1990

RPI 1006

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