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Official data from INPI

COMPOSIÇÃO DE ELASTÔMERO DE POLIORGANOSSILOXANO CURÁVEL A QUENTE

Em ExigênciaInvention Patent

Application data

Number

PI8403013

Type

Invention Patent

Filing

06/20/1984

Publication

05/28/1985

Progress at the INPI

  1. Filing06/20/84
  2. Publication05/28/85
  3. Examination07/22/86
  4. Allowance01/08/91
  5. Grant08/27/91
  6. Terminated06/13/95

The patent was granted on 08/27/1991 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: 06/14/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

D. C. (pessoa física)

US

See this company's full portfolio

Inventors

K. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

507.264 · 06/23/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Exigência - art. 36 da LPI

#6.1

06/14/1988

RPI 921

Solicitação de exame técnico

#4.1

07/22/1986

RPI 822

Publicação do pedido de patente

#3.1

05/28/1985

RPI 762

Pedido de patente depositado

#2.1

08/28/1984

RPI 723

Anuidade - prazo legal encerrado

#18.2

06/13/1995

RPI 1280

Concessão da patente

#16.1

08/27/1991

RPI 1082

Notificação para pagamento de retribuição

#13.1

04/23/1991

RPI 1064

Deferimento

#9.1

01/08/1991

RPI 1049

Exigência - art. 36 da LPI

#6.1

03/06/1990

RPI 1008

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