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Official data from INPI

COMPOSICOES E PROCESSOS PARA INIBICAO DE FORMACAO DE PLACA

IndeferidaInvention Patent

Application data

Number

PI7808730

Type

Invention Patent

Filing

12/29/1977

Publication

-

Progress at the INPI

Under appeal
  1. Filing12/29/77
  2. Publication
  3. Examination01/17/84
  4. Refused10/02/84
  5. Grant
  6. In force

The application was refused by the INPI on 10/02/1984. The invention was never patented.

Talk to a specialist

Latest action published by the INPI: 10/02/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

MINNESOTA MINING & MFG

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Inventors

No inventors listed.

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Indeferimento

#9.2

10/02/1984

RPI 728

Solicitação de exame técnico

#4.1

01/17/1984

RPI 691

102

11/08/1983

RPI 681

Pedido de recurso

#12.3

07/06/1982

RPI 611

Arquivamento - Art. 34 da LPI

#11.5

03/30/1982

RPI 597

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