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Official data from INPI

DISPOSITIVO CORTANTE DE CABO,E,HELICOPTERO

ConcedidaInvention Patent

Application data

Number

PI7907970

Type

Invention Patent

Filing

12/07/1978

Publication

-

Progress at the INPI

  1. Filing12/07/78
  2. Publication
  3. Examination
  4. Allowance08/21/84
  5. Grant03/26/85
  6. Expired05/02/95

The letters patent expired on 05/02/1995: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

C. D. (pessoa física)

Inventors

C. N. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

03/26/1985

RPI 753

Notificação para pagamento de retribuição

#13.1

12/11/1984

RPI 738

Deferimento

#9.1

08/21/1984

RPI 722

Conhecimento de parecer técnico

#7.1

01/24/1984

RPI 692

Republicação - classificação IPC

#15.11

04/26/1983

RPI 653

Exigência - art. 36 da LPI

#6.1

04/12/1983

RPI 651

Carta-patente expirada

#21.1

05/02/1995

RPI 1274

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