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

ELEMENTO DE TELHADO

DeferidaInvention Patent

Application data

Number

PI8406887

Type

Invention Patent

Filing

05/09/1984

Publication

04/16/1985

Progress at the INPI

  1. Filing05/09/84
  2. Publication04/16/85
  3. Examination07/28/87
  4. Allowance09/26/89
  5. Grant04/24/90
  6. Expired07/08/08

The letters patent expired on 07/08/2008: 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: 09/26/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Walter Freller, austríaco, comerciante industrial

AT

Inventors

W. F. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

AT

A 1718/83 · 05/10/1983

AT

PCT/84/00016 · 05/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Deferimento

#9.1

09/26/1989

RPI 988

Exigência - art. 36 da LPI

#6.1

01/10/1989

RPI 951

Solicitação de exame técnico

#4.1

07/28/1987

RPI 875

Notificação de entrada na fase nacional - PCT

#1.3

04/16/1985

RPI 756

Carta-patente expirada

#21.1

Patente extinta em 09/05/99

07/08/2008

RPI 1957

Concessão da patente

#16.1

04/24/1990

RPI 1015

Notificação para pagamento de retribuição

#13.1

01/23/1990

RPI 1003

Patent monitoring

Track this patent in real time.

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