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Official data from INPI

FIO OU FILAMENTO EXTRUDADO E MÉTODO DE PRODUZÍ-LO

ConcedidaInvention Patent

Application data

Number

PI8200492

Type

Invention Patent

Filing

01/29/1982

Publication

11/30/1982

Progress at the INPI

  1. Filing01/29/82
  2. Publication11/30/82
  3. Examination06/14/83
  4. Allowance12/03/85
  5. Grant08/26/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 08/26/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Teledyne Industries, Inc

US

See this company's full portfolio

Inventors

W. M. (pessoa física)

US

Technical data

Priority claims

US

229.981 · 01/30/1981

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/26/1986

RPI 827

Notificação para pagamento de retribuição

#13.1

04/22/1986

RPI 809

Republicação - classificação IPC

#15.11

01/14/1986

RPI 795

Deferimento

#9.1

12/03/1985

RPI 789

Republicação - classificação IPC

#15.11

05/14/1985

RPI 760

Exigência - art. 36 da LPI

#6.1

04/09/1985

RPI 755

Solicitação de exame técnico

#4.1

06/14/1983

RPI 660

Publicação do pedido de patente

#3.1

11/30/1982

RPI 632

Pedido de patente depositado

#2.1

03/16/1982

RPI 595

Carta-patente expirada

#21.1

Patente extinta em 29/01/97

07/01/2008

RPI 1956

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