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Official data from INPI

MOLDE E PROCESSO PARA A PRODUCAO DE LENTES DE CONTATO

Em AnáliseInvention Patent
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Application data

Number

PI7701752

Type

Invention Patent

Filing

03/24/1976

Publication

-
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Progress at the INPI

  1. Filing03/24/76
  2. Publication
  3. Examination
  4. Allowance04/27/82
  5. Grant
  6. Expired07/27/93

The letters patent expired on 07/27/1993: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 08/21/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

S. H. (pessoa física)

Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de licença compulsória

#20.1

08/21/1984

RPI 722

Notificação para pagamento de retribuição

#13.1

08/31/1982

RPI 619

Deferimento

#9.1

04/27/1982

RPI 601

Exigência - art. 36 da LPI

#6.1

10/27/1981

RPI 575

Carta-patente expirada

#21.1

07/27/1993

RPI 1182

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