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Official data from INPI

APARELHO E PROCESSO PARA O PRÉ-ENCOLHIMENTO POR COMPRESSÃO DE TECIDOS DE MALHA E SEMELHANTES

PublicadaInvention Patent

Application data

Number

PI8805226

Type

Invention Patent

Filing

10/11/1988

Publication

05/23/1989

Progress at the INPI

  1. Filing10/11/88
  2. Publication05/23/89
  3. Examination01/09/90
  4. Allowance02/07/95
  5. Grant07/25/95
  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

Compax Corp

US

Inventors

A. C. (pessoa física)

US

W. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

107,953 · 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 11/10/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

07/25/1995

RPI 1286

Deferimento

#9.1

02/07/1995

RPI 1262

Exigência - art. 36 da LPI

#6.1

05/31/1994

RPI 1226

Solicitação de exame técnico

#4.1

01/09/1990

RPI 1001

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