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Official data from INPI

MÁSCARA DE SOMBRA PARA EMPREGO EM UM TUBO DE RAIOS CATÓDICOS COLORIDO

Arquivada/ExtintaInvention PatentPCT · US1990001134

Application data

Number

PI9007217

Type

Invention Patent

Filing

02/28/1990

Publication

02/18/1992

PCT

US1990001134

Progress at the INPI

  1. Filing02/28/90
  2. Publication02/18/92
  3. Examination09/29/92
  4. Allowance08/19/97
  5. Grant07/28/98
  6. Expired01/08/13

The letters patent expired on 01/08/2013: 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: 01/08/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Z. C. (pessoa física)

US

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Inventors

H. T. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

308,904 · 03/13/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/02/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

08/19/1997

RPI 1394

Exigência - art. 36 da LPI

#6.1

11/19/1996

RPI 1355

Exigência - art. 36 da LPI

#6.1

02/27/1996

RPI 1317

Solicitação de exame técnico

#4.1

09/29/1992

RPI 1139

Notificação de entrada na fase nacional - PCT

#1.3

02/18/1992

RPI 1107

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