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Official data from INPI

APARELHO E PROCESSO PARA FABRICAR ELETROFOTOGRAFICAMENTE UM CONJUNTO DE TELA LUMINESCENTE SOBRE UM SUBSTRATO.

Arquivada/ExtintaInvention PatentPCT · US1990005307

Application data

Number

PI9007731

Type

Invention Patent

Filing

09/18/1990

Publication

07/07/1992

PCT

US1990005307

Progress at the INPI

  1. Filing09/18/90
  2. Publication07/07/92
  3. Examination07/27/93
  4. Allowance07/14/98
  5. Grant12/29/98
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. C. (pessoa física)

US

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Inventors

J. R. (pessoa física)

US

P. D. (pessoa física)

US

R. M. (pessoa física)

US

R. F. (pessoa física)

US

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

420.062 · 10/11/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/09/2010

05/28/2013

RPI 2212

Concessão da patente

#16.1

12/29/1998

RPI 1460

Deferimento

#9.1

07/14/1998

RPI 1438

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Notificação de entrada na fase nacional - PCT

#1.3

07/07/1992

RPI 1127

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