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Official data from INPI

APERFEIÇOAMENTO EM VEDAÇÃO E DRENAGEM DA TAMPA DE DISPOSITIVO MECÂNICO PARA TRANSFERIR LÍQUIDOS DE RECIPIENTES.

ConcedidaUtility Model
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Application data

Number

MU6301633

Type

Utility Model

Filing

11/01/1983

Publication

06/04/1985
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Progress at the INPI

  1. Filing11/01/83
  2. Publication06/04/85
  3. Examination09/17/85
  4. Allowance04/26/88
  5. Grant04/25/89
  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.

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Latest action published by the INPI: 04/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Termolar S/A

RS, BR

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Inventors

F. D. (pessoa física)

Technical data

IPC Classification

B67D 1/10

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/25/1989

RPI 966

Notificação para pagamento de retribuição

#13.1

08/09/1988

RPI 929

Deferimento

#9.1

04/26/1988

RPI 914

Exigência - art. 36 da LPI

#6.1

10/13/1987

RPI 886

Republicação - classificação IPC

#15.11

04/14/1987

RPI 860

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Solicitação de exame técnico

#4.1

09/17/1985

RPI 778

Publicação do pedido de patente

#3.1

06/04/1985

RPI 763

Pedido de patente depositado

#2.1

01/10/1984

RPI 690

Carta-patente expirada

#21.1

09/27/1994

RPI 1243

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