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Official data from INPI

SEM TITULO

ConcedidaInvention Patent

Application data

Number

PI7806319

Type

Invention Patent

Filing

09/25/1978

Publication

-

Progress at the INPI

  1. Filing09/25/78
  2. Publication
  3. Examination
  4. Allowance09/25/84
  5. Grant03/26/85
  6. Terminated04/27/93

The patent was granted on 03/26/1985 and later terminated for failure to pay the annuities. The technology is in the public domain 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

Minnesota Mining and Manufacturing Company

US

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Inventors

D. K. (pessoa física)

T. R. (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

01/29/1985

RPI 745

Deferimento

#9.1

09/25/1984

RPI 727

Exigência - art. 36 da LPI

#6.1

01/10/1984

RPI 690

Republicação - classificação IPC

#15.11

01/11/1983

RPI 638

Exigência - art. 36 da LPI

#6.1

10/19/1982

RPI 626

6.2

12/22/1981

RPI 583

Anuidade - prazo legal encerrado

#18.2

04/27/1993

RPI 1169

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