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Official data from INPI

MECANISMO DE LIGAÇÃO DE COR PARA LENTES DE CONTATO

Arquivada/ExtintaInvention PatentPCT · US1990001868

Application data

Number

PI9007294

Type

Invention Patent

Filing

04/12/1990

Publication

03/03/1992

PCT

US1990001868

Progress at the INPI

  1. Filing04/12/90
  2. Publication03/03/92
  3. Examination06/29/93
  4. Allowance04/25/00
  5. Grant08/22/00
  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

S. C. (pessoa física)

US

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Inventors

M. Q. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

338.077 · 04/14/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 22/08/2010

01/08/2013

RPI 2192

Concessão da patente

#16.1

08/22/2000

RPI 1546

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 C08J 7/04 e G02B 1/10.

04/25/2000

RPI 1529

Deferimento

#9.1

04/25/2000

RPI 1529

Solicitação de exame técnico

#4.1

06/29/1993

RPI 1178

Notificação de entrada na fase nacional - PCT

#1.3

03/03/1992

RPI 1109

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