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Official data from INPI

COBERTA DE CAMA

Prazo de SigiloInvention Patent

Application data

Number

PI8902806

Type

Invention Patent

Filing

06/13/1989

Publication

12/26/1990

Progress at the INPI

  1. Filing06/13/89
  2. Publication12/26/90
  3. Examination03/12/91
  4. Allowance06/28/94
  5. Grant03/28/95
  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.

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Latest action published by the INPI: 07/25/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Nihonkenkozoshinkenkyukai Co , Ltd

JP

Nikken USA, Inc.,

US

See this company's full portfolio

Inventors

I. M. (pessoa física)

JP

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

07/25/1989

RPI 979

Carta-patente expirada

#21.1

Patente extinta em 13/06/2004

12/22/2009

RPI 2033

Transferência deferida

#25.1

Transferido de: Nihonkenkozoshinkenkyukai Co., Ltd.

11/13/2001

RPI 1610

Concessão da patente

#16.1

03/28/1995

RPI 1269

Notificação para pagamento de retribuição

#13.1

11/01/1994

RPI 1248

Deferimento

#9.1

06/28/1994

RPI 1230

Solicitação de exame técnico

#4.1

03/12/1991

RPI 1058

Publicação do pedido de patente

#3.1

12/26/1990

RPI 1047

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