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Official data from INPI

CONJUNTO OTICO DE AMPLIACAO MULTIPLA

ArquivadaInvention Patent

Application data

Number

PI8108931

Type

Invention Patent

Filing

12/22/1980

Publication

11/30/1982

Progress at the INPI

  1. Filing12/22/80
  2. Publication11/30/82
  3. Examination06/19/84
  4. Allowance07/09/85
  5. Abandoned
  6. In force

The application was allowed on 07/09/1985 but abandoned for failure to pay the grant fee (art. 38 of the Brazilian IP Act). The letters patent were never issued.

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Latest action published by the INPI: 07/08/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG [US]

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Inventors

F. [. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Arquivamento - Art. 38 §2° da LPI

#11.4

07/08/1986

RPI 820

Notificação para pagamento de retribuição

#13.1

11/12/1985

RPI 786

Deferimento

#9.1

07/09/1985

RPI 768

Exigência - art. 36 da LPI

#6.1

12/26/1984

RPI 740

Solicitação de exame técnico

#4.1

06/19/1984

RPI 713

Notificação de entrada na fase nacional - PCT

#1.3

11/30/1982

RPI 632

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