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

APERFEIÇOAMENTOS EM TRILHO-MARÇO INFERIOR DAS JANELAS DE CORRER

Em AnáliseInvention Patent

Application data

Number

PI8504703

Type

Invention Patent

Filing

09/25/1985

Publication

04/28/1987

Progress at the INPI

  1. Filing09/25/85
  2. Publication04/28/87
  3. Examination07/18/89
  4. Allowance04/10/90
  5. Grant08/27/91
  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: 07/18/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Sasazaki Indústria e Comércio Ltda

SP, BR

Sasazaki S/A Industria e Comercio

SP, BR

See this company's full portfolio

Inventors

E. S. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

07/18/1989

RPI 978

Publicação do pedido de patente

#3.1

04/28/1987

RPI 862

Pedido de patente depositado

#2.1

12/03/1985

RPI 789

Carta-patente expirada

#21.1

Patente extinta em 25/09/2000

07/15/2008

RPI 1958

Alteração de sede deferida

#25.7

06/17/1997

RPI 1385

Concessão da patente

#16.1

08/27/1991

RPI 1082

14.4

10/09/1990

RPI 1036

Notificação para pagamento de retribuição

#13.1

08/14/1990

RPI 1028

Deferimento

#9.1

04/10/1990

RPI 1013

Patent monitoring

Track this patent in real time.

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