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

TEAR CIRCULAR

Em AnáliseInvention Patent

Application data

Number

PI8502719

Type

Invention Patent

Filing

06/05/1985

Publication

02/12/1986

Progress at the INPI

  1. Filing06/05/85
  2. Publication02/12/86
  3. Examination03/08/88
  4. Allowance03/20/90
  5. Grant09/25/90
  6. Expired07/15/08

The letters patent expired on 07/15/2008: 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: 08/08/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

F. H. (pessoa física)

AT

See this company's full portfolio

Inventors

F. H. (pessoa física)

AT

Technical data

IPC Classification

Priority claims

CH

2799/84 · 06/08/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Conhecimento de parecer técnico

#7.1

08/08/1989

RPI 981

Solicitação de exame técnico

#4.1

03/08/1988

RPI 907

Publicação do pedido de patente

#3.1

02/12/1986

RPI 799

Pedido de patente depositado

#2.1

08/13/1985

RPI 773

Carta-patente expirada

#21.1

Patente extinta em 05/06/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

09/25/1990

RPI 1034

Notificação para pagamento de retribuição

#13.1

07/31/1990

RPI 1026

Deferimento

#9.1

03/20/1990

RPI 1010

Patent monitoring

Track this patent in real time.

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