(11) 98705-3426
TrademarkIQ iconTrademarkIQ
Back to search
Official data from INPI

MECANISMO DIFERENCIAL

Em AnáliseInvention Patent

Application data

Number

PI7802761

Type

Invention Patent

Filing

05/03/1978

Publication

-

Progress at the INPI

  1. Filing05/03/78
  2. Publication
  3. Examination
  4. Refused12/14/82
  5. Grant
  6. In force

The application was refused on 12/14/1982 and the appeal did not change the decision. The invention was never patented and the technology is in the public domain in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/14/1982. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

DANA CORP

See this company's full portfolio

Inventors

No inventors listed.

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

111

12/14/1982

RPI 634

Petição de recurso

#12.2

04/27/1982

RPI 601

Indeferimento

#9.2

12/29/1981

RPI 584

Republicação - classificação IPC

#15.11

Procedimento automático de reclassificação. A classificação IPC anterior era F16H 1/40.

03/27/2018

RPI 2464

Patent monitoring

Track this patent in real time.

Receive alerts on INPI events, decisions, and expiry dates for your portfolio.