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Official data from INPI

INTERPOLIMEROS HIDROFILOS DE ACIDO ACRILICO E UM ACRILATO

ConcedidaInvention Patent

Application data

Number

PI8108674

Type

Invention Patent

Filing

07/08/1980

Publication

-

Progress at the INPI

  1. Filing07/08/80
  2. Publication
  3. Examination02/28/84
  4. Allowance09/10/85
  5. Grant04/29/86
  6. Expired08/19/08

The letters patent expired on 08/19/2008: 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: 04/29/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

GOODRICH CO B F

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Inventors

G. P. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

04/29/1986

RPI 810

Notificação para pagamento de retribuição

#13.1

01/14/1986

RPI 795

Deferimento

#9.1

09/10/1985

RPI 777

Exigência - art. 36 da LPI

#6.1

12/04/1984

RPI 737

4.1.1

06/12/1984

RPI 712

Solicitação de exame técnico

#4.1

04/24/1984

RPI 705

Solicitação de exame técnico

#4.1

02/28/1984

RPI 697

Carta-patente expirada

#21.1

Patente extinta em 08/06/96

08/19/2008

RPI 1963

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