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Official data from INPI

DISPOSITIVO DE SELAGEM DO ÓLEO ISOLANTE MINERAL NOS TRANSFORMADORES E REATORESATRAVÉS DE GÁS NITROGÊNIO.

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Application data

Number

MU6702945

Type

Utility Model

Filing

12/30/1987

Publication

06/28/1988
View on INPI

Progress at the INPI

Awaiting grant fee payment
  1. Filing12/30/87
  2. Publication06/28/88
  3. Examination11/21/89
  4. Allowance05/05/92
  5. Grant
  6. In force

The application was allowed by the INPI on 05/05/1992. The grant of the letters patent is being processed.

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Latest action published by the INPI: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. P. (pessoa física)

SP, BR

Inventors

D. P. (pessoa física)

BR

Technical data

IPC Classification

H01F 27/12

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/21/1989

RPI 996

Publicação antecipada

#3.2

06/28/1988

RPI 923

Pedido de patente depositado

#2.1

05/03/1988

RPI 915

15.4

10/13/1992

RPI 1141

Deferimento

#9.1

05/05/1992

RPI 1118

Republicação - classificação IPC

#15.11

10/22/1991

RPI 1090

Exigência - art. 36 da LPI

#6.1

09/03/1991

RPI 1083

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