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

PRODUTO ABRASIVO REVESTIDO FLEXÍVEL

Em AnáliseInvention Patent

Application data

Number

PI8502189

Type

Invention Patent

Filing

05/08/1985

Publication

01/07/1986

Progress at the INPI

  1. Filing05/08/85
  2. Publication01/07/86
  3. Examination12/08/87
  4. Allowance01/19/93
  5. Grant06/29/93
  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: 04/19/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Minnesota Mining and Manufacturing Company

US

See this company's full portfolio

Inventors

D. B. (pessoa física)

US

T. L. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

608.480 · 05/09/1984

US

608.481 · 05/09/1984

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de certificado de adição de invenção

#5.1

04/19/1988

RPI 913

Solicitação de exame técnico

#4.1

12/08/1987

RPI 894

Publicação do pedido de patente

#3.1

01/07/1986

RPI 794

Pedido de patente depositado

#2.1

07/16/1985

RPI 769

Carta-patente expirada

#21.1

Patente extinta em 08/05/2000

07/15/2008

RPI 1958

Concessão da patente

#16.1

06/29/1993

RPI 1178

Notificação para pagamento de retribuição

#13.1

05/04/1993

RPI 1170

Deferimento

#9.1

01/19/1993

RPI 1155

Exigência - art. 36 da LPI

#6.1

10/01/1991

RPI 1087

Patent monitoring

Track this patent in real time.

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