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Official data from INPI

VEDADOR DE VALVULA-ESFERICA

Em AnáliseInvention Patent

Application data

Number

PI7605416

Type

Invention Patent

Filing

08/18/1975

Publication

-

Progress at the INPI

  1. Filing08/18/75
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. Terminated07/12/88

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.

Talk to a specialist

Latest action published by the INPI: 07/12/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

RICHARDS & CO B C

Inventors

R. C. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

07/12/1988

RPI 925

Concessão da patente

#16.1

06/29/1982

RPI 610

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