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Official data from INPI

TUBO OU CANO DE RESINA TERMOFIXA REFORCADA COM FIBRA DE VIDRO E PROCESSO DE FABRICACAO DO MESMO

Em AnáliseInvention Patent

Application data

Number

PI7700068

Type

Invention Patent

Filing

01/06/1977

Publication

-

Progress at the INPI

  1. Filing01/06/77
  2. Publication
  3. Examination
  4. Allowance
  5. Grant02/24/82
  6. Terminated08/20/85

The patent was granted on 02/24/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/20/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

EKSTROM & CO EVAKSYSTEM

Inventors

E. S. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

08/20/1985

RPI 774

Cessão de direito de exploração

#22.1

12/04/1984

RPI 737

Concessão da patente

#16.1

02/24/1982

RPI 592

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