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Official data from INPI

CURSOR DE TRAVAMENTO AUTOMÁTICO PARA FECHOS CORREDIÇOS.

ConcedidaInvention Patent

Application data

Number

PI8101156

Type

Invention Patent

Filing

02/26/1981

Publication

-

Progress at the INPI

  1. Filing02/26/81
  2. Publication
  3. Examination12/01/81
  4. Allowance05/13/86
  5. Grant12/30/86
  6. Expired03/26/96

The letters patent expired on 03/26/1996: 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: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Y. C. (pessoa física)

JP

Y. K. (pessoa física)

JP

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Inventors

K. O. (pessoa física)

Technical data

IPC Classification

Priority claims

JP

55-28108 · 03/04/1980

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

09/02/1986

RPI 828

Deferimento

#9.1

05/13/1986

RPI 812

Exigência - art. 36 da LPI

#6.1

06/18/1985

RPI 765

Conhecimento de parecer técnico

#7.1

08/07/1984

RPI 720

Solicitação de exame técnico

#4.1

12/01/1981

RPI 580

Carta-patente expirada

#21.1

03/26/1996

RPI 1321

20.4

08/29/1995

RPI 1291

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