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Official data from INPI

CONJUNTO SECADOR PARA SECAR UMA FOLHA CONTÍNUA DE MATERIAL FLEXÍVEL MÓVEL

PublicadaInvention Patent
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Application data

Number

PI8900569

Type

Invention Patent

Filing

02/09/1989

Publication

10/10/1989
View on INPI

Progress at the INPI

  1. Filing02/09/89
  2. Publication10/10/89
  3. Examination12/03/91
  4. Allowance03/29/94
  5. Grant11/29/94
  6. Expired12/15/09

The letters patent expired on 12/15/2009: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

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Latest action published by the INPI: 10/10/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Thermo Electron-Web Systems, Inc.

US

Inventors

K. H. (pessoa física)

US

Technical data

IPC Classification

F26B 13/20

Priority claims

US

154.289 · 02/10/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

10/10/1989

RPI 990

Pedido de patente depositado

#2.1

03/28/1989

RPI 962

Carta-patente expirada

#21.1

Patente extinta em 09/02/2004

12/15/2009

RPI 2032

Concessão da patente

#16.1

11/29/1994

RPI 1252

Notificação para pagamento de retribuição

#13.1

08/02/1994

RPI 1235

13.2

03/29/1994

RPI 1217

Deferimento

#9.1

03/29/1994

RPI 1217

Notificação para pagamento de retribuição

#13.1

03/08/1994

RPI 1214

Exigência - art. 36 da LPI

#6.1

03/09/1993

RPI 1162

Solicitação de exame técnico

#4.1

12/03/1991

RPI 1096

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