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Official data from INPI

PELÍCULA GRAVADA EM RELÊVO

Arquivada/ExtintaInvention PatentPCT · US1990004612

Application data

Number

PI9007604

Type

Invention Patent

Filing

08/15/1990

Publication

06/30/1992

PCT

US1990004612

Progress at the INPI

  1. Filing08/15/90
  2. Publication06/30/92
  3. Examination07/27/93
  4. Allowance06/08/99
  5. Grant12/28/99
  6. Expired01/29/13

The letters patent expired on 01/29/2013: 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: 01/29/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. C. (pessoa física)

US

Inventors

L. C. (pessoa física)

US

P. W. (pessoa física)

US

T. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

07/401.667 · 09/01/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 15/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

12/28/1999

RPI 1512

Deferimento

#9.1

06/08/1999

RPI 1483

Solicitação de exame técnico

#4.1

07/27/1993

RPI 1182

Notificação de entrada na fase nacional - PCT

#1.3

06/30/1992

RPI 1126

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