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Official data from INPI

DISPOSITIVO DE CONSERVAÇÃO DOS ÓLEOS ISOLANTES MINERAIS DE TRANSFORMADORES E REATORES POR SELAGEM COM GÁS NITROGÊNIO A BAIXA PRESSÃO

ArquivadaUtility Model
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Application data

Number

MU7602121

Type

Utility Model

Filing

10/11/1996

Publication

12/23/1997
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Progress at the INPI

  1. Filing10/11/96
  2. Publication12/23/97
  3. Abandoned
  4. Allowance
  5. Grant
  6. In force

The application was abandoned: the INPI technical office action was not answered in time (art. 36 of the Brazilian IP Act). The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/01/2003. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. A. (pessoa física)

SP, BR

L. A. (pessoa física)

SP, BR

S. A. (pessoa física)

SP, BR

Inventors

F. A. (pessoa física)

BR

L. A. (pessoa física)

BR

S. A. (pessoa física)

BR

Technical data

IPC Classification

H01F 27/02H01F 27/36

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 36 §1° da LPI

#11.2

07/01/2003

RPI 1695

Exigência - art. 36 da LPI

#6.1

10/01/2002

RPI 1656

Publicação antecipada

#3.2

12/23/1997

RPI 1409

Pedido de patente depositado

#2.1

04/22/1997

RPI 1377

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