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Official data from INPI

PROCESSO E DISPOSITIVO PARA FORMAR UMA RANHURA CIRCULAR INTERNA EM UMA PARTE DE TUBO PLASTICO

Em AnáliseInvention Patent

Application data

Number

PI7708709

Type

Invention Patent

Filing

06/30/1977

Publication

-

Progress at the INPI

  1. Filing06/30/77
  2. Publication
  3. Examination
  4. Allowance11/23/82
  5. Grant06/28/83
  6. Terminated12/15/87

The patent was granted on 06/28/1983 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: 12/15/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

WAVIN BV

Inventors

H. K. (pessoa física)

O. W. (pessoa física)

Technical data

IPC Classification

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

06/28/1983

RPI 662

Notificação para pagamento de retribuição

#13.1

04/05/1983

RPI 650

Deferimento

#9.1

11/23/1982

RPI 631

Exigência - art. 36 da LPI

#6.1

04/13/1982

RPI 599

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