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Official data from INPI

CAPACITOR DE FILME METALIZADO APERFEIÇOADO

Em AnáliseInvention Patent

Application data

Number

PI8601394

Type

Invention Patent

Filing

03/26/1986

Publication

12/02/1986

Progress at the INPI

  1. Filing03/26/86
  2. Publication12/02/86
  3. Examination12/27/88
  4. Allowance05/21/91
  5. Grant11/26/91
  6. Expired07/22/08

The letters patent expired on 07/22/2008: 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: 12/27/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Illinois Tool Works, Inc

US

See this company's full portfolio

Inventors

C. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

716.013 · 03/26/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

12/27/1988

RPI 949

Publicação do pedido de patente

#3.1

12/02/1986

RPI 841

Pedido de patente depositado

#2.1

10/29/1986

RPI 836

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era H01G 1/00.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

Patente extinta em 26/03/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

11/26/1991

RPI 1095

Notificação para pagamento de retribuição

#13.1

09/03/1991

RPI 1083

Deferimento

#9.1

05/21/1991

RPI 1068

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