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Official data from INPI

JUNTO ROTATIVA COMPENSADA INTERNAMENTE

ConcedidaInvention Patent

Application data

Number

PI7905017

Type

Invention Patent

Filing

12/15/1978

Publication

-

Progress at the INPI

  1. Filing12/15/78
  2. Publication
  3. Examination
  4. Allowance04/26/83
  5. Grant10/25/83
  6. Expired04/18/95

The letters patent expired on 04/18/1995: 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: 05/28/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

JOHNSON CORP

Inventors

J. E. (pessoa física)

W. R. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Republicação - classificação IPC

#15.11

05/28/1985

RPI 762

Concessão da patente

#16.1

10/25/1983

RPI 679

Notificação para pagamento de retribuição

#13.1

09/20/1983

RPI 674

Deferimento

#9.1

04/26/1983

RPI 653

15.0

06/01/1982

RPI 606

Exigência - art. 36 da LPI

#6.1

04/20/1982

RPI 600

Carta-patente expirada

#21.1

04/18/1995

RPI 1272

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