Official data from INPI

PROCESSO DE ESPELHAMENTO DE MÚLTIPLAS REFLEXÕES EM LÂMPADAS INCANDESCENTES

PublicadaInvention Patent

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Application data

Number

PI8603149

Type

Invention Patent

Filing

06/19/1986

Publication

02/09/1988

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Progress at the INPI

Under appeal

Filing06/19/86
Publication02/09/88
Examination08/07/90
Refused09/17/91
Grant
In force

The application was refused by the INPI on 09/17/1991. The invention was never patented.

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Latest action published by the INPI: 02/09/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

U. P. (pessoa física)

PB, BR

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Inventors

A. P. (pessoa física)

Technical data

IPC Classification

H01K 1/32

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

02/09/1988

RPI 903

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Indeferimento

#9.2

09/17/1991

RPI 1085

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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