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

ARTIGO FOTOSSENSIVEL SUSCETÍVEL DE FORMAÇÃO DE IMAGEM

ConcedidaInvention Patent

Application data

Number

PI8400428

Type

Invention Patent

Filing

02/01/1984

Publication

09/04/1984

Progress at the INPI

  1. Filing02/01/84
  2. Publication09/04/84
  3. Examination09/23/86
  4. Allowance05/16/89
  5. Grant11/28/89
  6. Terminated06/06/95

The patent was granted on 11/28/1989 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: 11/28/1989. 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

J. C. (pessoa física)

US

S. B. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

463,295 · 02/02/1983

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

11/28/1989

RPI 997

Notificação para pagamento de retribuição

#13.1

09/12/1989

RPI 986

Deferimento

#9.1

05/16/1989

RPI 969

Exigência - art. 36 da LPI

#6.1

10/18/1988

RPI 939

6.2

09/08/1987

RPI 881

Solicitação de exame técnico

#4.1

09/23/1986

RPI 831

Publicação do pedido de patente

#3.1

09/04/1984

RPI 724

Pedido de patente depositado

#2.1

04/17/1984

RPI 704

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: G03G 5/08; G03C 1/68.

03/20/2018

RPI 2463

Anuidade - prazo legal encerrado

#18.2

06/06/1995

RPI 1279

Related

Same category

Patent monitoring

Track this patent in real time.

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