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Official data from INPI

APERFEIÇOAMENTO EM OXIGENADOR DE BOLHAS DESCARTÁVEIS ESPIRAL COMPACTO.

ConcedidaUtility Model
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Application data

Number

MU6301880

Type

Utility Model

Filing

12/13/1983

Publication

07/23/1985
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Progress at the INPI

  1. Filing12/13/83
  2. Publication07/23/85
  3. Examination11/12/85
  4. Allowance12/29/87
  5. Grant08/30/88
  6. Terminated10/02/90

The patent was granted on 08/30/1988 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 08/30/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. L. (pessoa física)

Inventors

L. O. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/30/1988

RPI 932

Notificação para pagamento de retribuição

#13.1

05/10/1988

RPI 916

Deferimento

#9.1

12/29/1987

RPI 897

Republicação - classificação IPC

#15.11

04/14/1987

RPI 860

Exigência - art. 36 da LPI

#6.1

09/30/1986

RPI 832

Republicação - classificação IPC

#15.11

11/26/1985

RPI 788

Solicitação de exame técnico

#4.1

11/12/1985

RPI 786

Publicação do pedido de patente

#3.1

07/23/1985

RPI 770

14.1

01/22/1985

RPI 744

Pedido de patente depositado

#2.1

02/21/1984

RPI 696

Anuidade - prazo legal encerrado

#18.2

10/02/1990

RPI 1035

Related

From the same holder

OXIGENADOR DE BOLHAS.

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