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

MATERIAL LAMINADO RETRO-REFLETIVO, COM LENTE ENCAPSULADA

PublicadaInvention Patent

Application data

Number

PI8802277

Type

Invention Patent

Filing

05/10/1988

Publication

12/13/1988

Progress at the INPI

  1. Filing05/10/88
  2. Publication12/13/88
  3. Examination04/02/91
  4. Allowance08/15/95
  5. Grant03/26/96
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/13/1988. 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

A. D. (pessoa física)

US

H. T. (pessoa física)

US

R. K. (pessoa física)

US

T. B. (pessoa física)

US

Technical data

Priority claims

US

049.674 · 05/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/04/1988

RPI 937

Carta-patente expirada

#21.1

Patente extinta em 10/05/2003

09/02/2008

RPI 1965

16.3

05/13/1997

RPI 1380

Concessão da patente

#16.1

03/26/1996

RPI 1321

Deferimento

#9.1

08/15/1995

RPI 1289

Exigência - art. 36 da LPI

#6.1

02/07/1995

RPI 1262

Solicitação de exame técnico

#4.1

04/02/1991

RPI 1061

Patent monitoring

Track this patent in real time.

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