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Official data from INPI

BOCAL AUTO-REGULÁVEL PARA UMA LINHA ADUTORA DE LÍQUIDO.

ConcedidaInvention Patent

Application data

Number

PI8005669

Type

Invention Patent

Filing

09/04/1980

Publication

-

Progress at the INPI

  1. Filing09/04/80
  2. Publication
  3. Examination06/21/83
  4. Allowance12/13/83
  5. Grant06/26/84
  6. Expired11/07/95

The letters patent expired on 11/07/1995: 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: 06/26/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. B. (pessoa física)

IT

Inventors

B. [. (pessoa física)

Technical data

IPC Classification

Priority claims

IL

58176 · 09/04/1979

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

06/26/1984

RPI 714

Notificação para pagamento de retribuição

#13.1

04/10/1984

RPI 703

Deferimento

#9.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

06/21/1983

RPI 661

Carta-patente expirada

#21.1

11/07/1995

RPI 1301

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