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Official data from INPI

PROCESSO PARA JUNÇÃO DE UMA PLURALIDADE DE SEGMENTOS DE POLITETRAFLUORETILENO; ARTIGO DE PTFE COMPÓSITO E PRODUTO DE PTFE COMPÓSITO.

ConcedidaInvention Patent

Application data

Number

PI8100852

Type

Invention Patent

Filing

02/12/1981

Publication

-

Progress at the INPI

  1. Filing02/12/81
  2. Publication
  3. Examination09/27/83
  4. Allowance02/04/86
  5. Grant07/29/86
  6. Terminated02/04/92

The patent was granted on 07/29/1986 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

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Latest action published by the INPI: 07/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

W. L. Gore & Associates, Inc

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Inventors

B. J. (pessoa física)

Technical data

Priority claims

US

121.365 · 02/14/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

07/29/1986

RPI 823

Notificação para pagamento de retribuição

#13.1

06/24/1986

RPI 818

Deferimento

#9.1

02/04/1986

RPI 798

Republicação - classificação IPC

#15.11

01/07/1986

RPI 794

Exigência - art. 36 da LPI

#6.1

01/15/1985

RPI 743

Exigência - art. 36 da LPI

#6.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

09/27/1983

RPI 675

Anuidade - prazo legal encerrado

#18.2

02/04/1992

RPI 1105

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