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Official data from INPI

DISJUNTOR QUE INCLUI UM CONJUNTO DE CONTATOS LAMINADOS

Prazo de SigiloInvention Patent

Application data

Number

PI8903773

Type

Invention Patent

Filing

07/28/1989

Publication

03/20/1990

Progress at the INPI

  1. Filing07/28/89
  2. Publication03/20/90
  3. Examination05/12/92
  4. Allowance01/31/95
  5. Grant07/25/95
  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.

Talk to a specialist

Latest action published by the INPI: 10/17/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

E. C. (pessoa física)

US

W. C. (pessoa física)

US

See this company's full portfolio

Inventors

C. P. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

226.649 · 08/01/1988

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Pedido de patente depositado

#2.1

10/17/1989

RPI 991

Carta-patente expirada

#21.1

Patente extinta em 28/07/2004

12/22/2009

RPI 2033

Pedido de licença compulsória

#20.1

01/16/1996

RPI 1311

Concessão da patente

#16.1

07/25/1995

RPI 1286

Notificação para pagamento de retribuição

#13.1

06/20/1995

RPI 1281

Deferimento

#9.1

01/31/1995

RPI 1261

Solicitação de exame técnico

#4.1

05/12/1992

RPI 1119

Publicação do pedido de patente

#3.1

03/20/1990

RPI 1010

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