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Official data from INPI

APARELHO PARA A OBSERVACAO DE FOTOGRAFIAS

ConcedidaInvention Patent
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Application data

Number

PI7806176

Type

Invention Patent

Filing

10/07/1977

Publication

-
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Progress at the INPI

  1. Filing10/07/77
  2. Publication
  3. Examination
  4. Allowance03/13/84
  5. Grant09/25/84
  6. Expired05/03/94

The letters patent expired on 05/03/1994: 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: 09/25/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

LICINVEST AG

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Inventors

A. P. (pessoa física)

B. M. (pessoa física)

Technical data

IPC Classification

B42F 7/14

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

09/25/1984

RPI 727

Notificação para pagamento de retribuição

#13.1

07/03/1984

RPI 715

Deferimento

#9.1

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

07/26/1983

RPI 666

Republicação - classificação IPC

#15.11

02/22/1983

RPI 644

Exigência - art. 36 da LPI

#6.1

02/16/1983

RPI 643

11.7

12/28/1982

RPI 636

Arquivamento - Art. 36 §1° da LPI

#11.2

08/10/1982

RPI 616

6.2

01/05/1982

RPI 585

Carta-patente expirada

#21.1

05/03/1994

RPI 1222

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