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Official data from INPI

PROCESSO PARA PREPARAÇÃO DE UM ARTIGO CONFORMADO

PublicadaInvention Patent

Application data

Number

PI8805241

Type

Invention Patent

Filing

10/12/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing10/12/88
  2. Publication05/23/89
  3. Examination07/09/91
  4. Allowance03/19/96
  5. Grant12/31/96
  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: 05/23/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Advanced Elastomer Systems, L.P

US

See this company's full portfolio

Inventors

R. P. (pessoa física)

US

S. S. (pessoa física)

US

Y. W. (pessoa física)

US

Technical data

Priority claims

US

107.210 · 10/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 12/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

12/31/1996

RPI 1361

Deferimento

#9.1

03/19/1996

RPI 1320

Exigência - art. 36 da LPI

#6.1

02/21/1995

RPI 1264

14.1

03/31/1992

RPI 1113

Solicitação de exame técnico

#4.1

07/09/1991

RPI 1075

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