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Official data from INPI

ROLO DE PRENSA DE DEFLEXÃO CONTROLADA

Arquivada/ExtintaInvention PatentPCT · US1988000266

Application data

Number

PI8807341

Type

Invention Patent

Filing

01/25/1988

Publication

03/13/1990

PCT

US1988000266

Progress at the INPI

  1. Filing01/25/88
  2. Publication03/13/90
  3. Examination10/16/90
  4. Allowance03/01/95
  5. Grant10/31/95
  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: 09/02/2008. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. C. (pessoa física)

US

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Inventors

A. R. (pessoa física)

US

R. H. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

030,805 · 03/27/1987

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 25/01/2003

09/02/2008

RPI 1965

Concessão da patente

#16.1

10/31/1995

RPI 1300

Notificação para pagamento de retribuição

#13.1

07/18/1995

RPI 1285

Republicação - classificação IPC

#15.11

04/25/1995

RPI 1273

Deferimento

#9.1

03/01/1995

RPI 1265

Exigência - art. 36 da LPI

#6.1

07/26/1994

RPI 1234

Solicitação de exame técnico

#4.1

10/16/1990

RPI 1037

Notificação de entrada na fase nacional - PCT

#1.3

03/13/1990

RPI 1009

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