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

ENGRENAGEM FIXADA DE MANEIRA NÃO POSITIVA SOBRE UMA SEÇÀO TUBULAR EXPANDIDA

PublicadaInvention Patent

Application data

Number

PI8900829

Type

Invention Patent

Filing

02/23/1989

Publication

10/17/1989

Progress at the INPI

  1. Filing02/23/89
  2. Publication10/17/89
  3. Examination07/31/90
  4. Allowance02/25/92
  5. Grant11/24/92
  6. Expired12/15/09

The letters patent expired on 12/15/2009: 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: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. M. (pessoa física)

DE

See this company's full portfolio

Inventors

H. S. (pessoa física)

DE

Technical data

IPC Classification

Priority claims

DE

P3805777.8 · 02/24/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/17/1989

RPI 991

Pedido de patente depositado

#2.1

04/11/1989

RPI 964

Carta-patente expirada

#21.1

Patente extinta em 23/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

11/24/1992

RPI 1147

Notificação para pagamento de retribuição

#13.1

07/07/1992

RPI 1127

Republicação - classificação IPC

#15.11

05/19/1992

RPI 1120

Deferimento

#9.1

02/25/1992

RPI 1108

Solicitação de exame técnico

#4.1

07/31/1990

RPI 1026

Related

Patent monitoring

Track this patent in real time.

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