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Official data from INPI

PRENSA EXTRUSORA APERFEICOADA

Em AnáliseInvention Patent

Application data

Number

PI8004046

Type

Invention Patent

Filing

06/29/1979

Publication

-

Progress at the INPI

  1. Filing06/29/79
  2. Publication
  3. Examination
  4. Allowance12/17/85
  5. Grant06/24/86
  6. Terminated05/17/88

The patent was granted on 06/24/1986 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

PIRELLI

See this company's full portfolio

Inventors

B. A. (pessoa física)

B. G. (pessoa física)

Technical data

IPC Classification

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

06/24/1986

RPI 818

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Deferimento

#9.1

12/17/1985

RPI 791

Republicação - classificação IPC

#15.11

10/29/1985

RPI 784

Republicação - classificação IPC

#15.11

03/13/1984

RPI 699

Exigência - art. 36 da LPI

#6.1

12/20/1983

RPI 687

14.1

04/27/1982

RPI 601

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