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Official data from INPI

Método e aparelhagem para produzir peças por sinterização seletiva

Arquivada/ExtintaInvention PatentPCT · US1987002635
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Application data

Number

PI8707510

Type

Invention Patent

Filing

10/14/1987

Publication

02/21/1989

PCT

US1987002635
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Progress at the INPI

  1. Filing10/14/87
  2. Publication02/21/89
  3. Examination08/07/90
  4. Allowance08/26/97
  5. Grant07/28/98
  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: 02/21/1989. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Board of Regents, The University of Texas System

US

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Inventors

C. D. (pessoa física)

US

Technical data

IPC Classification

B23K 26/00

Priority claims

US

105,316 · 10/05/1987

US

920.580 · 10/17/1986

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Notificação de entrada na fase nacional - PCT

#1.3

02/21/1989

RPI 957

Carta-patente expirada

#21.1

Patente extinta em 28/07/2008

08/26/2008

RPI 1964

Concessão da patente

#16.1

07/28/1998

RPI 1440

Deferimento

#9.1

08/26/1997

RPI 1395

Exigência - art. 36 da LPI

#6.1

10/01/1996

RPI 1348

Exigência - art. 36 da LPI

#6.1

11/29/1994

RPI 1252

115

02/16/1993

RPI 1159

12.6

06/09/1992

RPI 1123

15.9

08/07/1990

RPI 1027

Solicitação de exame técnico

#4.1

08/07/1990

RPI 1027

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