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Official data from INPI

APERFEICOAMENTOS EM PURGADORES TERMODINAMICOS

PublicadaInvention Patent

Application data

Number

PI8700277

Type

Invention Patent

Filing

01/22/1987

Publication

09/27/1988

Progress at the INPI

  1. Filing01/22/87
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The application was filed at the INPI on 01/22/1987. It awaits formal examination and publication in the RPI gazette.

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Latest action published by the INPI: 09/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

HECTOR RAMON CASTRO [AR]

Inventors

C. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

09/27/1988

RPI 936

14.1

07/26/1988

RPI 927

Pedido de patente depositado

#2.1

05/26/1987

RPI 866

15.7

01/21/1992

RPI 1103

Retificação

#15.3

06/25/1991

RPI 1073

Pedido de certificado de adição de invenção

#5.1

06/19/1990

RPI 1023

Pedido de certificado de adição de invenção

#5.1

05/01/1990

RPI 1016

Solicitação de exame técnico

#4.1

02/13/1990

RPI 1006

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