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Official data from INPI

VÁLVULA.

ConcedidaInvention Patent

Application data

Number

PI7703498

Type

Invention Patent

Filing

05/30/1977

Publication

-

Progress at the INPI

  1. Filing05/30/77
  2. Publication
  3. Examination
  4. Allowance08/03/82
  5. Grant03/29/83
  6. Terminated10/23/90

The patent was granted on 03/29/1983 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: 03/29/1983. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Alfred Teves GmbH

DE

See this company's full portfolio

Inventors

B. L. (pessoa física)

D. A. (pessoa física)

Technical data

IPC Classification

Priority claims

DE

P 26 25 655.0 · 05/30/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

12/14/1982

RPI 634

Deferimento

#9.1

08/03/1982

RPI 615

Exigência - art. 36 da LPI

#6.1

02/16/1982

RPI 591

Anuidade - prazo legal encerrado

#18.2

10/23/1990

RPI 1038

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