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Official data from INPI

SISTEMA DE RECUPERAÇÃO E PURIFICAÇÃO DE REFRIGERANTE

PublicadaInvention Patent

Application data

Number

PI8900524

Type

Invention Patent

Filing

02/03/1989

Publication

10/03/1989

Progress at the INPI

  1. Filing02/03/89
  2. Publication10/03/89
  3. Examination03/19/91
  4. Allowance
  5. Grant
  6. In force

Published on 10/03/1989, the application is awaiting technical examination at the INPI, which decides whether the invention meets the patentability requirements.

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Latest action published by the INPI: 10/03/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

K. C. (pessoa física)

US

Inventors

D. H. (pessoa física)

US

K. M. (pessoa física)

US

R. P. (pessoa física)

US

R. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

157.579 · 02/19/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/03/1989

RPI 989

Pedido de patente depositado

#2.1

03/21/1989

RPI 961

14.4

03/30/1993

RPI 1165

Arquivamento - Art. 38 §2° da LPI

#11.4

01/12/1993

RPI 1154

Notificação para pagamento de retribuição

#13.1

08/11/1992

RPI 1132

Deferimento

#9.1

03/17/1992

RPI 1111

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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