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Official data from INPI

MOTOR COM IMPULSORES ROTATIVOS E PLACA DE PRESSÃO.

ConcedidaInvention Patent

Application data

Number

PI8100486

Type

Invention Patent

Filing

01/28/1981

Publication

-

Progress at the INPI

  1. Filing01/28/81
  2. Publication
  3. Examination01/26/82
  4. Allowance09/04/84
  5. Grant03/26/85
  6. Expired03/19/96

The letters patent expired on 03/19/1996: 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: 03/26/1985. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Commercial Shearig, Inc.,

US

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Inventors

O. M. (pessoa física)

S. C. (pessoa física)

T. J. (pessoa física)

Technical data

IPC Classification

Priority claims

US

116.636 · 01/29/1980

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

12/26/1984

RPI 740

Republicação - classificação IPC

#15.11

09/04/1984

RPI 724

Deferimento

#9.1

09/04/1984

RPI 724

Exigência - art. 36 da LPI

#6.1

02/07/1984

RPI 694

Exigência - art. 36 da LPI

#6.1

08/09/1983

RPI 668

Solicitação de exame técnico

#4.1

01/26/1982

RPI 588

Carta-patente expirada

#21.1

03/19/1996

RPI 1320

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