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Official data from INPI

LENTE OFTÁLMICA COMPOSTA DE VIDRO E PLÁSTICO, LENTE COMPOSTA OFTÁLMICA FOTOCROMÁTICA SEMI-ACABADA APERFEIÇOADA E LENTE ÓPTICA COMPOSTA

Em AnáliseInvention PatentPCT · US1985002048

Application data

Number

PI8507009

Type

Invention Patent

Filing

10/22/1985

Publication

01/06/1987

PCT

US1985002048

Progress at the INPI

  1. Filing10/22/85
  2. Publication01/06/87
  3. Examination05/17/88
  4. Allowance09/17/91
  5. Grant08/25/92
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

US

Inventors

R. A. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

663.914 · 10/23/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

05/17/1988

RPI 917

Notificação de entrada na fase nacional - PCT

#1.3

01/06/1987

RPI 846

Carta-patente expirada

#21.1

Patente extinta em 22/10/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

08/25/1992

RPI 1134

Notificação para pagamento de retribuição

#13.1

01/21/1992

RPI 1103

Deferimento

#9.1

09/17/1991

RPI 1085

Exigência - art. 36 da LPI

#6.1

01/08/1991

RPI 1049

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