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Official data from INPI

VALVULA ESFERICA

Em AnáliseInvention Patent

Application data

Number

PI7604390

Type

Invention Patent

Filing

07/05/1976

Publication

-

Progress at the INPI

  1. Filing07/05/76
  2. Publication
  3. Examination
  4. Allowance
  5. Grant06/29/82
  6. In force07/05/96

The patent was granted on 06/29/1982 and is in force until 07/05/1996. Until then, no one may make, use or sell the invention in Brazil without the owner's authorisation.

Protection valid until:07/05/1996

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Latest action published by the INPI: 02/28/1984. 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).

336

02/28/1984

RPI 697

200

08/23/1983

RPI 670

Pedido de licença voluntária

#17.1

04/12/1983

RPI 651

Concessão da patente

#16.1

06/29/1982

RPI 610

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