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Official data from INPI

ADESIVO COM DOIS COMPONENTES SEPARADOS

ConcedidaInvention Patent

Application data

Number

PI8306673

Type

Invention Patent

Filing

12/05/1983

Publication

07/17/1984

Progress at the INPI

  1. Filing12/05/83
  2. Publication07/17/84
  3. Examination10/08/85
  4. Allowance05/16/89
  5. Grant11/28/89
  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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Ashland Oil Inc.

US

See this company's full portfolio

Inventors

T. R. (pessoa física)

US

Technical data

Priority claims

US

450.826 · 12/20/1982

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

05/10/1988

RPI 916

14.1

11/12/1985

RPI 786

Solicitação de exame técnico

#4.1

10/08/1985

RPI 781

Publicação do pedido de patente

#3.1

07/17/1984

RPI 717

Pedido de patente depositado

#2.1

02/14/1984

RPI 695

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. As classificações IPC anteriores eram: C09J 3/16; C08G 18/10.

03/27/2018

RPI 2464

Carta-patente expirada

#21.1

07/01/2008

RPI 1956

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