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Official data from INPI

PROCESSO PARA PRODUZIR LUZ QUIMILUMINESCENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9002907

Type

Invention Patent

Filing

06/20/1990

Publication

08/20/1991

Progress at the INPI

  1. Filing06/20/90
  2. Publication08/20/91
  3. Examination11/30/93
  4. Allowance09/14/99
  5. Grant02/08/00
  6. Expired01/15/13

The letters patent expired on 01/15/2013: 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: 01/15/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

A. M. (pessoa física)

BE

J. L. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

08900662 · 06/20/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/06/2010

01/15/2013

RPI 2193

Concessão da patente

#16.1

02/08/2000

RPI 1518

Deferimento

#9.1

09/14/1999

RPI 1497

Exigência - art. 36 da LPI

#6.1

12/08/1998

RPI 1457

Exigência - art. 36 da LPI

#6.1

07/07/1998

RPI 1437

Solicitação de exame técnico

#4.1

11/30/1993

RPI 1200

Publicação do pedido de patente

#3.1

08/20/1991

RPI 1081

Pedido de patente depositado

#2.1

11/27/1990

RPI 1043

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