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Official data from INPI

MANDRIL DE TROCA RAPIDA ESPECILAMENTE PARA CASQUILHO REGULAVEL PARA FERRAMENTA

ConcedidaInvention Patent

Application data

Number

PI7906147

Type

Invention Patent

Filing

09/26/1978

Publication

-

Progress at the INPI

  1. Filing09/26/78
  2. Publication
  3. Examination04/05/83
  4. Allowance02/28/84
  5. Grant08/28/84
  6. Expired04/25/95

The letters patent expired on 04/25/1995: 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: 08/28/1984. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

B. W. (pessoa física)

Inventors

F. O. (pessoa física)

H. L. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

08/28/1984

RPI 723

Notificação para pagamento de retribuição

#13.1

06/12/1984

RPI 712

Republicação - classificação IPC

#15.11

05/02/1984

RPI 706

Deferimento

#9.1

02/28/1984

RPI 697

Republicação - classificação IPC

#15.11

01/10/1984

RPI 690

Exigência - art. 36 da LPI

#6.1

09/20/1983

RPI 674

Solicitação de exame técnico

#4.1

04/05/1983

RPI 650

Carta-patente expirada

#21.1

04/25/1995

RPI 1273

20.4

10/27/1992

RPI 1143

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