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Official data from INPI

APERFEICOAMENTOS EM FERRAMENTAS DE IMPACTO

Arquivada/ExtintaUtility Model

Application data

Number

MU5600737

Type

Utility Model

Filing

06/24/1976

Publication

-

Progress at the INPI

  1. Filing06/24/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  6. Expired08/16/88

The letters patent expired on 08/16/1988: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/16/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. O. (pessoa física)

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Inventors

F. O. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

08/16/1988

RPI 930

11.8

06/21/1983

RPI 661

11.8

06/14/1983

RPI 660

Arquivamento - Art. 38 §2° da LPI

#11.4

03/15/1983

RPI 647

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