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Official data from INPI

APERFEIÇOAMENTO EM LENTE TRIFOCAL

IndeferidaInvention Patent

Application data

Number

PI8307307

Type

Invention Patent

Filing

12/29/1983

Publication

08/06/1985

Progress at the INPI

Under appeal
  1. Filing12/29/83
  2. Publication08/06/85
  3. Examination01/07/86
  4. Refused02/24/87
  5. Grant
  6. In force

The application was refused by the INPI on 02/24/1987. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 02/24/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Macprado Produtos Oftalmicos Ltda

SP, BR

Inventors

M. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

02/24/1987

RPI 853

Solicitação de exame técnico

#4.1

01/07/1986

RPI 794

Publicação do pedido de patente

#3.1

08/06/1985

RPI 772

Pedido de patente depositado

#2.1

03/13/1984

RPI 699

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