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Official data from INPI

LENTE DE CONTATO,PROCESSO DE MOLDAGEM DA MESMA E MOLDE PARA FORMAR UMA MEIA-MATRIZ PARA MOLDAGEM DE UMA LENTE CONCAVA

Em AnáliseInvention Patent

Application data

Number

PI7804744

Type

Invention Patent

Filing

07/25/1977

Publication

-

Progress at the INPI

  1. Filing07/25/77
  2. Publication
  3. Examination
  4. Allowance01/17/84
  5. Grant05/29/84
  6. Terminated01/28/92

The patent was granted on 05/29/1984 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 11/22/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

AMERICAN OPTICAL CORP

See this company's full portfolio

Inventors

T. E. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

11/22/1988

RPI 944

Concessão da patente

#16.1

05/29/1984

RPI 710

Notificação para pagamento de retribuição

#13.1

03/27/1984

RPI 701

100

01/17/1984

RPI 691

120

09/13/1983

RPI 673

14.1

04/19/1983

RPI 652

Petição de recurso

#12.2

06/01/1982

RPI 606

Indeferimento

#9.2

02/09/1982

RPI 590

Anuidade - prazo legal encerrado

#18.2

01/28/1992

RPI 1104

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