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Official data from INPI

LAMINA DE LIMPADOR E METODO PARA PRODUZIR UMA LAMINA DE LIMPADOR

Em AnáliseInvention Patent

Application data

Number

PI7906331

Type

Invention Patent

Filing

10/04/1978

Publication

-

Progress at the INPI

  1. Filing10/04/78
  2. Publication
  3. Examination
  4. Allowance06/01/82
  5. Grant
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 09/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

R. A. (pessoa física)

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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).

20.4

09/15/1987

RPI 882

Notificação para pagamento de retribuição

#13.1

09/21/1982

RPI 622

Deferimento

#9.1

06/01/1982

RPI 606

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

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