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Official data from INPI

Processo e composição para o tratamento de lentes de contato.

ConcedidaInvention Patent

Application data

Number

PI8000199

Type

Invention Patent

Filing

01/14/1980

Publication

-

Progress at the INPI

  1. Filing01/14/80
  2. Publication
  3. Examination04/12/83
  4. Allowance08/14/84
  5. Grant01/29/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: 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: 01/29/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. P. (pessoa física)

US

Inventors

K. F. (pessoa física)

Technical data

IPC Classification

Priority claims

US

3.294 · 01/15/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

01/29/1985

RPI 745

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/14/1984

RPI 721

8.1

07/03/1984

RPI 715

Exigência - art. 36 da LPI

#6.1

01/03/1984

RPI 689

Solicitação de exame técnico

#4.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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