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Official data from INPI

ESPECTROFOTÔMETRO OPTOGALVÂNICO E LÂMPADA DE CATODO OCO DE ALTA CORRENTE

Em AnáliseInvention Patent

Application data

Number

PI8603127

Type

Invention Patent

Filing

07/04/1986

Publication

03/08/1988

Progress at the INPI

  1. Filing07/04/86
  2. Publication03/08/88
  3. Examination11/22/88
  4. Allowance02/13/91
  5. Grant03/30/93
  6. Expired07/22/08

The letters patent expired on 07/22/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. N. (pessoa física)

RJ, BR

See this company's full portfolio

Inventors

A. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

11/22/1988

RPI 944

Publicação do pedido de patente

#3.1

03/08/1988

RPI 907

Pedido de patente depositado

#2.1

12/30/1986

RPI 845

Carta-patente expirada

#21.1

Patente extinta em 04/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

03/30/1993

RPI 1165

14.1

11/24/1992

RPI 1147

14.3

07/14/1992

RPI 1128

14.3

03/24/1992

RPI 1112

15.8

10/22/1991

RPI 1090

Notificação para pagamento de retribuição

#13.1

05/28/1991

RPI 1069

Deferimento

#9.1

02/13/1991

RPI 1054

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