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Official data from INPI

APARELHO PARA A OBSERVACAO DE FOTOGRAFIAS

ConcedidaInvention Patent

Application data

Number

PI8002189

Type

Invention Patent

Filing

04/09/1979

Publication

-

Progress at the INPI

  1. Filing04/09/79
  2. Publication
  3. Examination09/14/82
  4. Allowance03/05/85
  5. Grant07/30/85
  6. Expired06/06/95

The letters patent expired on 06/06/1995: 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: 07/30/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LICINVEST AG

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Inventors

A. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/30/1985

RPI 771

Notificação para pagamento de retribuição

#13.1

06/25/1985

RPI 766

Deferimento

#9.1

03/05/1985

RPI 750

Exigência - art. 36 da LPI

#6.1

02/28/1984

RPI 697

Exigência - art. 36 da LPI

#6.1

10/04/1983

RPI 676

Solicitação de exame técnico

#4.1

09/14/1982

RPI 621

Carta-patente expirada

#21.1

06/06/1995

RPI 1279

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