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Official data from INPI

APARELHO E MÉTODO PARA SECAGEM DE UMA TRAMA DE PAPEL

Arquivada/ExtintaInvention PatentPCT · US1987003414

Application data

Number

PI8707969

Type

Invention Patent

Filing

12/18/1987

Publication

07/31/1990

PCT

US1987003414

Progress at the INPI

  1. Filing12/18/87
  2. Publication07/31/90
  3. Examination10/30/90
  4. Allowance08/15/95
  5. Grant08/27/96
  6. Expired07/29/08

The letters patent expired on 07/29/2008: 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: 07/29/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

G. W. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

014.569 · 02/13/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 18/12/2002

07/29/2008

RPI 1960

Concessão da patente

#16.1

08/27/1996

RPI 1343

Notificação para pagamento de retribuição

#13.1

01/30/1996

RPI 1313

Deferimento

#9.1

08/15/1995

RPI 1289

Conhecimento de parecer técnico

#7.1

05/25/1993

RPI 1173

Solicitação de exame técnico

#4.1

10/30/1990

RPI 1039

Notificação de entrada na fase nacional - PCT

#1.3

07/31/1990

RPI 1026

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