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Official data from INPI

CONECTOR TUBULAR

PublicadaInvention Patent

Application data

Number

PI8802387

Type

Invention Patent

Filing

05/17/1988

Publication

12/13/1988

Progress at the INPI

  1. Filing05/17/88
  2. Publication12/13/88
  3. Examination03/19/91
  4. Allowance01/18/94
  5. Grant08/30/94
  6. Expired09/02/08

The letters patent expired on 09/02/2008: 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: 12/13/1988. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Cameron Iron Works USA, Inc

US

C. C. (pessoa física)

US

See this company's full portfolio

Inventors

D. T. (pessoa física)

US

J. M. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

051.843 · 05/18/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

12/13/1988

RPI 947

Pedido de patente depositado

#2.1

10/04/1988

RPI 937

Carta-patente expirada

#21.1

Patente extinta em 17/05/2003

09/02/2008

RPI 1965

Transferência deferida

#25.1

12/30/1997

RPI 1410

Transferência deferida

#25.1

11/25/1997

RPI 1408

Concessão da patente

#16.1

08/30/1994

RPI 1239

Notificação para pagamento de retribuição

#13.1

05/10/1994

RPI 1223

Deferimento

#9.1

01/18/1994

RPI 1207

6.2

03/16/1993

RPI 1163

Solicitação de exame técnico

#4.1

03/19/1991

RPI 1059

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