(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

FILTRO RESSONADOR DIELÉTRICO

Em AnáliseInvention Patent
Talk to an expert

Application data

Number

PI8603708

Type

Invention Patent

Filing

07/22/1986

Publication

03/10/1987
View on INPI

Progress at the INPI

  1. Filing07/22/86
  2. Publication03/10/87
  3. Examination06/23/87
  4. Allowance07/21/92
  5. Grant04/27/93
  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: 06/23/1987. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

N. C. (pessoa física)

JP

See this company's full portfolio

Inventors

S. O. (pessoa física)

JP

Y. K. (pessoa física)

JP

Technical data

IPC Classification

H01P 1/208

Priority claims

JP

60-160370 · 07/22/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

06/23/1987

RPI 870

Publicação do pedido de patente

#3.1

03/10/1987

RPI 855

Pedido de patente depositado

#2.1

02/24/1987

RPI 853

Carta-patente expirada

#21.1

Patente extinta em 22/07/2001

07/22/2008

RPI 1959

Concessão da patente

#16.1

04/27/1993

RPI 1169

Notificação para pagamento de retribuição

#13.1

12/29/1992

RPI 1152

Republicação - classificação IPC

#15.11

07/28/1992

RPI 1130

Deferimento

#9.1

07/21/1992

RPI 1129

Exigência - art. 36 da LPI

#6.1

12/10/1991

RPI 1097

Related

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.