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Official data from INPI

LENTE OFTÁLMICA COM DUAS SUPERFÍCEIS DE REFRAÇÃO.

ConcedidaInvention Patent

Application data

Number

PI8108418

Type

Invention Patent

Filing

12/28/1981

Publication

04/12/1983

Progress at the INPI

  1. Filing12/28/81
  2. Publication04/12/83
  3. Examination08/23/83
  4. Allowance08/21/84
  5. Grant03/26/85
  6. In force12/28/01

The patent was granted on 03/26/1985 and is in force until 12/28/2001. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:12/28/2001

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Latest action published by the INPI: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

H. C. (pessoa física)

JP

Inventors

K. A. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

95072/81 · 06/19/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Solicitação de exame técnico

#4.1

08/23/1983

RPI 670

Publicação do pedido de patente

#3.1

04/12/1983

RPI 651

Pedido de patente depositado

#2.1

02/24/1982

RPI 592

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