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Official data from INPI

ALMOFADA DE LIMPEZA E PROCESSO PARA PRODUZIR A MESMA

Em AnáliseInvention Patent

Application data

Number

PI7900320

Type

Invention Patent

Filing

01/19/1978

Publication

-

Progress at the INPI

Technical opinion to answer
  1. Filing01/19/78
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. In force

The INPI issued a technical opinion on patentability. The applicant must respond for examination to continue.

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Latest action published by the INPI: 04/22/1987. 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

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Retificação

#15.3

04/22/1987

RPI 861

Republicação - classificação IPC

#15.11

04/24/1984

RPI 705

Republicação - classificação IPC

#15.11

02/07/1984

RPI 694

Conhecimento de parecer técnico

#7.1

10/04/1983

RPI 676

6.2

05/25/1982

RPI 605

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