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Official data from INPI

DISPOSIÇÕES NOS MEIOS DE FECHAMENTO HERMÉTICO EM TAMPAS DE BALDES

DeferidaUtility Model

Application data

Number

MU6302103

Type

Utility Model

Filing

12/20/1983

Publication

09/11/1984

Progress at the INPI

  1. Filing12/20/83
  2. Publication09/11/84
  3. Examination01/15/85
  4. Allowance08/29/89
  5. Grant04/24/90
  6. Expired09/27/94

The letters patent expired on 09/27/1994: 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: 08/29/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. B. (pessoa física)

SP, BR

Inventors

E. B. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

08/29/1989

RPI 984

15.10

08/22/1989

RPI 983

Conhecimento de parecer técnico

#7.1

06/21/1988

RPI 922

Retificação

#15.6

11/24/1987

RPI 892

Retificação

#15.3

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

01/15/1985

RPI 743

Publicação antecipada

#3.2

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

02/28/1984

RPI 697

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/09/1990

RPI 1001

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