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Official data from INPI

FERRAMENTA PARA FORJAR ELEMENTOS TUBULARES

PublicadaInvention Patent
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Application data

Number

PI8804263

Type

Invention Patent

Filing

08/22/1988

Publication

05/23/1989
View on INPI

Progress at the INPI

  1. Filing08/22/88
  2. Publication05/23/89
  3. Examination06/25/91
  4. Allowance03/11/97
  5. Grant01/21/98
  6. Expired08/26/08

The letters patent expired on 08/26/2008: 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: 05/23/1989. 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. F. (pessoa física)

US

Technical data

IPC Classification

B21D 39/04B21D 39/20B21D 53/06F23D 17/00

Priority claims

US

114.422 · 10/28/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Publicação do pedido de patente

#3.1

05/23/1989

RPI 970

Pedido de patente depositado

#2.1

01/31/1989

RPI 954

Carta-patente expirada

#21.1

Patente extinta em 22/08/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

01/21/1998

RPI 1413

Transferência deferida

#25.1

09/16/1997

RPI 1398

Deferimento

#9.1

03/11/1997

RPI 1371

Exigência - art. 36 da LPI

#6.1

12/12/1995

RPI 1306

Exigência - art. 36 da LPI

#6.1

03/01/1995

RPI 1265

Solicitação de exame técnico

#4.1

06/25/1991

RPI 1073

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