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Official data from INPI

REGULADOR DE ESCOAMENTO

Em AnáliseInvention Patent

Application data

Number

PI7706735

Type

Invention Patent

Filing

10/07/1977

Publication

-

Progress at the INPI

  1. Filing10/07/77
  2. Publication
  3. Examination
  4. Allowance12/01/81
  5. Grant08/31/82
  6. Terminated12/15/87

The patent was granted on 08/31/1982 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Koninklijke Emballage Industrie Van Leer B V

NL

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Inventors

S. L. (pessoa física)

Technical data

IPC Classification

Priority claims

NL

76.11187 · 10/08/1976

NL

77.09108 · 08/17/1977

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/15/1987

RPI 895

Concessão da patente

#16.1

08/31/1982

RPI 619

Notificação para pagamento de retribuição

#13.1

04/13/1982

RPI 599

Deferimento

#9.1

12/01/1981

RPI 580

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