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Official data from INPI

LENTES DE PROGRESSÃO CONTROLADA.

Em AnáliseInvention Patent

Application data

Number

PI8304804

Type

Invention Patent

Filing

09/02/1983

Publication

04/09/1985

Progress at the INPI

  1. Filing09/02/83
  2. Publication04/09/85
  3. Examination07/30/85
  4. Refused06/27/89
  5. Grant
  6. In force

The application was refused on 06/27/1989 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 06/27/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. S. (pessoa física)

Inventors

S. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

06/27/1989

RPI 975

Petição de recurso

#12.2

11/22/1988

RPI 944

Indeferimento

#9.2

08/02/1988

RPI 928

Conhecimento de parecer técnico

#7.1

06/30/1987

RPI 871

Solicitação de exame técnico

#4.1

07/30/1985

RPI 771

Publicação do pedido de patente

#3.1

04/09/1985

RPI 755

Pedido de patente depositado

#2.1

11/01/1983

RPI 680

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