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Official data from INPI

FOLHA RECEPTORA DE IMPRESSÃO DE TRANSFERÊNCIA TÉRMICA E PROCESSO PARA SUA PRODUÇÃO

Prazo de SigiloInvention Patent

Application data

Number

PI8903581

Type

Invention Patent

Filing

07/19/1989

Publication

03/13/1990

Progress at the INPI

  1. Filing07/19/89
  2. Publication03/13/90
  3. Examination02/25/92
  4. Allowance07/16/96
  5. Grant04/29/97
  6. Expired12/22/09

The letters patent expired on 12/22/2009: 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: 11/28/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. I. Du Pont De Nemours And Company

US

Imperial Chemical Industries Plc.

GB

See this company's full portfolio

Inventors

D. B. (pessoa física)

GB

G. R. (pessoa física)

GB

J. F. (pessoa física)

GB

Technical data

IPC Classification

Priority claims

GB

88 17221.8 · 07/20/1988

GB

89 14978.5 · 06/29/1989

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

11/28/1989

RPI 997

Carta-patente expirada

#21.1

Patente extinta em 19/07/2004

12/22/2009

RPI 2033

Transferência deferida

#25.1

Transferido de: Imperial Chemical Industries PLC

05/04/1999

RPI 1478

Concessão da patente

#16.1

04/29/1997

RPI 1378

Notificação para pagamento de retribuição

#13.1

03/11/1997

RPI 1371

Deferimento

#9.1

07/16/1996

RPI 1337

Exigência - art. 36 da LPI

#6.1

07/18/1995

RPI 1285

Solicitação de exame técnico

#4.1

02/25/1992

RPI 1108

Publicação do pedido de patente

#3.1

03/13/1990

RPI 1009

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