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Official data from INPI

APARELHO DE REAÇÃO ENDOTÉRMICA

Arquivada/ExtintaInvention Patent

Application data

Number

PI9101266

Type

Invention Patent

Filing

03/28/1991

Publication

11/26/1991

Progress at the INPI

  1. Filing03/28/91
  2. Publication11/26/91
  3. Examination02/22/94
  4. Allowance09/21/99
  5. Grant02/22/00
  6. Expired05/28/13

The letters patent expired on 05/28/2013: 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: 05/28/2013. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

The Standard Oil Company

US

See this company's full portfolio

Inventors

R. R. (pessoa física)

US

Technical data

IPC Classification

Priority claims

US

504,375 · 04/03/1990

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Carta-patente expirada

#21.1

Patente extinta em 28/03/2011

05/28/2013

RPI 2212

16.3

Ref. RPI 1520 de 22/02/2000 item (51) e (72)

11/04/2003

RPI 1713

Concessão da patente

#16.1

02/22/2000

RPI 1520

Republicação - classificação IPC

#15.11

Alterada a Classificação para Int.Cl.6 C01B 3/38 e B01J 8/06.

09/21/1999

RPI 1498

Deferimento

#9.1

09/21/1999

RPI 1498

Exigência - art. 36 da LPI

#6.1

10/27/1998

RPI 1451

Solicitação de exame técnico

#4.1

02/22/1994

RPI 1212

Publicação do pedido de patente

#3.1

11/26/1991

RPI 1095

Pedido de patente depositado

#2.1

09/17/1991

RPI 1085

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