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Official data from INPI

PROCESSO PARA FORMAR UMA COMPOSICAO DE LIMPEZA E PROCESSO PARA REMOVER MATERIAL GRAXO DE UMA SUPERFICIE

ConcedidaInvention Patent

Application data

Number

PI7500392

Type

Invention Patent

Filing

01/21/1974

Publication

-

Progress at the INPI

  1. Filing01/21/74
  2. Publication
  3. Examination
  4. Allowance
  5. Grant07/27/82
  6. Expired08/03/93

The letters patent expired on 08/03/1993: 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: 07/27/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

COLGATE PALMOLIVE CO

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Inventors

F. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/27/1982

RPI 614

Notificação para pagamento de retribuição

#13.1

12/15/1981

RPI 582

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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