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Official data from INPI

CONTROLADOR DE TEMPERATURA DE EXTRUSORA.

Em AnáliseInvention Patent

Application data

Number

PI8008683

Type

Invention Patent

Filing

05/28/1980

Publication

-

Progress at the INPI

  1. Filing05/28/80
  2. Publication
  3. Examination08/10/82
  4. Allowance08/21/84
  5. Grant02/26/85
  6. Terminated05/17/88

The patent was granted on 02/26/1985 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: 05/17/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Crompton & Knowles Corporation

Inventors

F. L. (pessoa física)

Technical data

IPC Classification

Priority claims

US

48.974 · 06/15/1979

US

80/00694 · 05/28/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

05/17/1988

RPI 917

Concessão da patente

#16.1

02/26/1985

RPI 749

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Exigência - art. 36 da LPI

#6.1

12/13/1983

RPI 686

Solicitação de exame técnico

#4.1

08/10/1982

RPI 616

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