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Official data from INPI

VALVULA DO TIPO SUPORTE ESFRIADA POR CIRCULACAO DE UM FLUIDO RESFRIADOR

ConcedidaInvention Patent

Application data

Number

PI7606581

Type

Invention Patent

Filing

10/30/1975

Publication

-

Progress at the INPI

  1. Filing10/30/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Terminated09/18/90

The patent was granted on 06/29/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 06/29/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SEMT

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Inventors

H. A. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/29/1982

RPI 610

Anuidade - prazo legal encerrado

#18.2

09/18/1990

RPI 1033

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