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Official data from INPI

POLIETERES SILIADOS, PROCESSO PARA PREPARAR OS MESMOS, PROCESSO PARA TRATAMENTO DE UM MATERIAL TEXTIL E REFERIDO MATERAL TEXTIL

Em AnáliseInvention Patent

Application data

Number

PI8003398

Type

Invention Patent

Filing

09/10/1979

Publication

-

Progress at the INPI

  1. Filing09/10/79
  2. Publication
  3. Examination06/14/83
  4. Allowance11/13/84
  5. Grant05/28/85
  6. Terminated06/21/88

The patent was granted on 05/28/1985 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: 06/21/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

SWS SILICONES CORP

Inventors

M. E. (pessoa física)

Technical data

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Anuidade - prazo legal encerrado

#18.2

06/21/1988

RPI 922

Concessão da patente

#16.1

05/28/1985

RPI 762

Notificação para pagamento de retribuição

#13.1

03/26/1985

RPI 753

Deferimento

#9.1

11/13/1984

RPI 734

Exigência - art. 36 da LPI

#6.1

01/31/1984

RPI 693

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

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