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

APERFEIÇOAMENTO EM UM TAMBOR PARA UM DESIDRATADOR DE ACIONAMENTO GIRATÓRIO

PublicadaInvention Patent

Application data

Number

PI8901559

Type

Invention Patent

Filing

04/03/1989

Publication

11/21/1989

Progress at the INPI

  1. Filing04/03/89
  2. Publication11/21/89
  3. Examination10/09/90
  4. Allowance03/09/93
  5. Grant09/28/93
  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: 11/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

See this company's full portfolio

Inventors

R. G. (pessoa física)

Technical data

IPC Classification

Priority claims

US

177,193 · 04/04/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

11/21/1989

RPI 996

Pedido de patente depositado

#2.1

05/16/1989

RPI 969

Carta-patente expirada

#21.1

Patente extinta em 03/04/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

09/28/1993

RPI 1191

Notificação para pagamento de retribuição

#13.1

06/29/1993

RPI 1178

Deferimento

#9.1

03/09/1993

RPI 1162

Exigência - art. 36 da LPI

#6.1

05/12/1992

RPI 1119

Solicitação de exame técnico

#4.1

10/09/1990

RPI 1036

Patent monitoring

Track this patent in real time.

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