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Official data from INPI

APERFEIÇOAMENTOS EM TURBINAS A VAPOR

Em AnáliseInvention Patent
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Application data

Number

PI9001456

Type

Invention Patent

Filing

03/29/1990

Publication

11/27/1990
View on INPI

Progress at the INPI

  1. Filing03/29/90
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 03/29/1990. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 09/19/1995. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Turbimaq Turbinas e Máquinas Ltda

SP, BR

Inventors

H. S. (pessoa física)

BR

Technical data

IPC Classification

F01D 1/04

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

09/19/1995

RPI 1294

Pedido de certificado de adição de invenção

#5.1

06/11/1991

RPI 1071

Solicitação de exame técnico

#4.1

02/05/1991

RPI 1053

Publicação antecipada

#3.2

11/27/1990

RPI 1043

Pedido de patente depositado

#2.1

08/07/1990

RPI 1027

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