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Official data from INPI

FUSIVEL APERFEICOADO

Em AnáliseInvention Patent
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Application data

Number

PI7602002

Type

Invention Patent

Filing

04/03/1975

Publication

-
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Progress at the INPI

  1. Filing04/03/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant
  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: 02/07/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SAN O IND CO

Inventors

A. H. (pessoa física)

Technical data

IPC Classification

No IPC classification.

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

20.7

02/07/1984

RPI 694

20.4

01/17/1984

RPI 691

20.7

01/10/1984

RPI 690

Carta-patente expirada

#21.1

08/03/1993

RPI 1183

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