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Official data from INPI

LENTE MULTI-FOCAL

Arquivada/ExtintaInvention PatentPCT · JP1987000911

Application data

Number

PI8708000

Type

Invention Patent

Filing

11/25/1987

Publication

10/16/1990

PCT

JP1987000911

Progress at the INPI

  1. Filing11/25/87
  2. Publication10/16/90
  3. Examination02/13/91
  4. Allowance02/04/92
  5. Grant11/24/92
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. O. (pessoa física)

JP

Inventors

H. O. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/11/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

06/09/1992

RPI 1123

Deferimento

#9.1

02/04/1992

RPI 1105

Solicitação de exame técnico

#4.1

02/13/1991

RPI 1054

Notificação de entrada na fase nacional - PCT

#1.3

10/16/1990

RPI 1037

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