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Official data from INPI

COMPOSIÇÃO CURÁVEL EM UM ELASTÔMERO HIDROFÍLICO DE COPOLÍMEROS ORGÂNICOS DE SILICONE, ELASTÔMERO HIDROFÍLICO E MEMBRANA.

Em AnáliseInvention Patent

Application data

Number

PI8506334

Type

Invention Patent

Filing

12/17/1985

Publication

08/26/1986

Progress at the INPI

  1. Filing12/17/85
  2. Publication08/26/86
  3. Examination12/02/86
  4. Allowance02/02/93
  5. Grant07/27/93
  6. Terminated09/19/95

The patent was granted on 07/27/1993 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: 12/02/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

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Inventors

C. L. (pessoa física)

W. S. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

683.308 · 12/18/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/02/1986

RPI 841

Publicação do pedido de patente

#3.1

08/26/1986

RPI 827

Pedido de patente depositado

#2.1

02/25/1986

RPI 801

Anuidade - prazo legal encerrado

#18.2

09/19/1995

RPI 1294

Concessão da patente

#16.1

07/27/1993

RPI 1182

Notificação para pagamento de retribuição

#13.1

05/18/1993

RPI 1172

Deferimento

#9.1

02/02/1993

RPI 1157

Exigência - art. 36 da LPI

#6.1

07/16/1991

RPI 1076

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