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

PROCESSO DE FABRICAÇÃO DE UM DISCO ABRASIVO

ConcedidaInvention Patent

Application data

Number

PI8300627

Type

Invention Patent

Filing

02/08/1983

Publication

09/11/1984

Progress at the INPI

  1. Filing02/08/83
  2. Publication09/11/84
  3. Examination12/04/84
  4. Allowance07/30/85
  5. Grant02/04/86
  6. Expired07/01/08

The letters patent expired on 07/01/2008: 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: 02/04/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Carborundum Abrasivos Ltda

BR

Carborundum Têxtil Ltda

SP, BR

Inventors

W. M. (pessoa física)

BR

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

02/04/1986

RPI 798

Notificação para pagamento de retribuição

#13.1

11/26/1985

RPI 788

Deferimento

#9.1

07/30/1985

RPI 771

Solicitação de exame técnico

#4.1

12/04/1984

RPI 737

Publicação do pedido de patente

#3.1

09/11/1984

RPI 725

Pedido de patente depositado

#2.1

03/29/1983

RPI 649

Carta-patente expirada

#21.1

Patente extinta em 08/02/98

07/01/2008

RPI 1956

Transferência deferida

#25.1

Trasnferido de: Carborundum Têxtil Ltda.

06/23/1998

RPI 1435

Alteração de nome deferida

#25.4

01/21/1998

RPI 1413

20.4

08/18/1992

RPI 1133

Patent monitoring

Track this patent in real time.

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