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Official data from INPI

COMPOSIÇÃO DE TONER, COMPOSIÇÃO DE REVELADOR E PROCESSO DE GERAÇÃO DE IMAGENS

Arquivada/ExtintaInvention Patent

Application data

Number

PI9004103

Type

Invention Patent

Filing

08/20/1990

Publication

09/03/1991

Progress at the INPI

  1. Filing08/20/90
  2. Publication09/03/91
  3. Examination11/16/93
  4. Allowance12/29/98
  5. Grant06/29/99
  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

X. C. (pessoa física)

US

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Inventors

H. C. (pessoa física)

US

J. L. (pessoa física)

US

M. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

396,510 · 08/21/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 20/08/2010

01/29/2013

RPI 2195

Concessão da patente

#16.1

06/29/1999

RPI 1486

Republicação - classificação IPC

#15.11

ALTERADA DE G03C 5/30

01/26/1999

RPI 1464

Deferimento

#9.1

12/29/1998

RPI 1460

Exigência - art. 36 da LPI

#6.1

06/02/1998

RPI 1432

Solicitação de exame técnico

#4.1

11/16/1993

RPI 1198

Publicação do pedido de patente

#3.1

09/03/1991

RPI 1083

Pedido de patente depositado

#2.1

02/19/1991

RPI 1055

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