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Official data from INPI

FÓSFOROS COM MELHOR RENDIMENTO EM LÚMENS E LÂMPADAS FEITAS À PARTIR DOS MESMOS

Arquivada/ExtintaInvention PatentPCT · US1991000305

Application data

Number

PI9104189

Type

Invention Patent

Filing

01/15/1991

Publication

12/24/1991

PCT

US1991000305

Progress at the INPI

  1. Filing01/15/91
  2. Publication12/24/91
  3. Examination09/21/93
  4. Allowance10/05/99
  5. Grant04/18/00
  6. Expired06/11/13

The letters patent expired on 06/11/2013: 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: 06/11/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

G. I. (pessoa física)

US

G. C. (pessoa física)

US

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Inventors

A. S. (pessoa física)

US

K. K. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/468,432 · 01/22/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/01/2011

06/11/2013

RPI 2214

Concessão da patente

#16.1

04/18/2000

RPI 1528

Deferimento

#9.1

10/05/1999

RPI 1500

Exigência - art. 36 da LPI

#6.1

12/15/1998

RPI 1458

Solicitação de exame técnico

#4.1

09/21/1993

RPI 1190

14.1

06/15/1993

RPI 1176

Notificação de entrada na fase nacional - PCT

#1.3

12/24/1991

RPI 1099

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