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Official data from INPI

PROCESSO PARA A PREPARACAO DE FIBRAS DE POLIOLEFINA HIDROFILAS,FIBRAS ASSIM OBTIDAS,PRODUTO DE PAPEL,E MISTURA DE POLIMEROS

Em AnáliseInvention Patent

Application data

Number

PI7705951

Type

Invention Patent

Filing

09/07/1976

Publication

-

Progress at the INPI

  1. Filing09/07/76
  2. Publication
  3. Examination
  4. Allowance01/03/84
  5. Grant07/31/84
  6. Terminated12/15/87

The patent was granted on 07/31/1984 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

HERCULES INC

See this company's full portfolio

Inventors

R. T. (pessoa física)

Technical data

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

07/31/1984

RPI 719

Notificação para pagamento de retribuição

#13.1

04/24/1984

RPI 705

Deferimento

#9.1

01/03/1984

RPI 689

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

10/13/1982

RPI 625

6.2

01/26/1982

RPI 588

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