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Official data from INPI

APERFEIÇOAMENTO EM VÁLVULA BORBOLETA.

Em AnáliseInvention Patent

Application data

Number

PI8000612

Type

Invention Patent

Filing

01/31/1980

Publication

-

Progress at the INPI

  1. Filing01/31/80
  2. Publication
  3. Examination09/27/83
  4. Allowance10/09/84
  5. Grant04/30/85
  6. Expired05/16/95

The letters patent expired on 05/16/1995: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

A. S. (pessoa física)

A. V. (pessoa física)

SE

Inventors

H. F. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Cessão de direito de exploração

#22.1

08/26/1986

RPI 827

201

01/28/1986

RPI 797

Concessão da patente

#16.1

04/30/1985

RPI 758

Notificação para pagamento de retribuição

#13.1

02/20/1985

RPI 748

Deferimento

#9.1

10/09/1984

RPI 729

Exigência - art. 36 da LPI

#6.1

03/27/1984

RPI 701

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Carta-patente expirada

#21.1

05/16/1995

RPI 1276

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