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

DISCO DE REGISTRO DE SUPERFÍCIE ESTIRADA ESTÁVEL E PROCESSO PARA TEMPERAR UM DISCO DE REGISTRO DE SUPERFÍCIE ESTIRADA.

Em AnáliseInvention Patent

Application data

Number

PI8601030

Type

Invention Patent

Filing

03/11/1986

Publication

11/25/1986

Progress at the INPI

  1. Filing03/11/86
  2. Publication11/25/86
  3. Examination10/04/88
  4. Allowance08/24/93
  5. Grant04/26/94
  6. Terminated12/31/96

The patent was granted on 04/26/1994 and later terminated for failure to pay the annuities. The technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 10/04/1988. 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

C. N. (pessoa física)

US

J. A. (pessoa física)

US

S. N. (pessoa física)

US

S. G. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

711,825 · 03/14/1985

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Solicitação de exame técnico

#4.1

10/04/1988

RPI 937

Publicação do pedido de patente

#3.1

11/25/1986

RPI 840

Pedido de patente depositado

#2.1

08/26/1986

RPI 827

Anuidade - prazo legal encerrado

#18.2

12/31/1996

RPI 1361

Concessão da patente

#16.1

04/26/1994

RPI 1221

Deferimento

#9.1

08/24/1993

RPI 1186

Exigência - art. 36 da LPI

#6.1

02/09/1993

RPI 1158

Related

Same category

Patent monitoring

Track this patent in real time.

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