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Official data from INPI

PROCESSO PARA PREPARAR COMPOSIÇÕES DE MOLDAGEM DE POLIESTIRENO RETARDANTES DE FOGO DE FORÇA DE IMPACTO APERFEIÇOADA

Em AnáliseInvention Patent

Application data

Number

PI7702610

Type

Invention Patent

Filing

04/25/1977

Publication

-

Progress at the INPI

  1. Filing04/25/77
  2. Publication
  3. Examination
  4. Allowance08/24/82
  5. Grant03/29/83
  6. Terminated12/08/87

The patent was granted on 03/29/1983 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: 12/08/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Monsanto Company

US

See this company's full portfolio

Inventors

R. B. (pessoa física)

W. J. (pessoa física)

Technical data

Priority claims

US

679.943 · 04/26/1976

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

12/08/1987

RPI 894

Concessão da patente

#16.1

03/29/1983

RPI 649

Notificação para pagamento de retribuição

#13.1

01/11/1983

RPI 638

Deferimento

#9.1

08/24/1982

RPI 618

Exigência - art. 36 da LPI

#6.1

01/05/1982

RPI 585

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09K 3/28; C08L 25/04; C08L 23/00; C08L 33/00; C08L 33/02; C08L 51/00; C08L 51/02; C08L 51/04; C08L 77/00; C08L 101/00; C08L 25/00.

03/27/2018

RPI 2464

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