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Official data from INPI

ELEMENTO QUIMILUMINESCENTE

Arquivada/ExtintaInvention Patent

Application data

Number

PI9003220

Type

Invention Patent

Filing

07/06/1990

Publication

08/27/1991

Progress at the INPI

  1. Filing07/06/90
  2. Publication08/27/91
  3. Examination11/16/93
  4. Allowance09/03/96
  5. Grant06/24/97
  6. Expired05/21/13

The letters patent expired on 05/21/2013: 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: 05/21/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

American Cyanamid Company

US

See this company's full portfolio

Inventors

J. L. (pessoa física)

BE

Technical data

IPC Classification

Priority claims

BE

8900744 · 07/07/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 06/07/2010

05/21/2013

RPI 2211

Concessão da patente

#16.1

06/24/1997

RPI 1386

Deferimento

#9.1

09/03/1996

RPI 1344

6.2

11/21/1995

RPI 1303

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

08/27/1991

RPI 1082

Pedido de patente depositado

#2.1

01/02/1991

RPI 1048

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