Developing device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Dec 11, 2018
Grant Date -
Jan 18, 2018
app pub date -
Jul 10, 2017
filing date -
Jul 15, 2016
priority date (Note) -
In Force
status (Latency Note)
Importance
|
US Family Size
|
Non-US Coverage
|
Abstract
A developing device includes a first communication portion defining a communication path through which developer in a second chamber is communicated to a first chamber. The communication path has a first area and a second area. The first area is positioned within a range corresponding to a developer coating area of a developer bearing member in a conveyance direction of developer in the collection chamber, while the second area is positioned downstream of the developer coating area in the conveyance direction. A first length of the first area is shorter than a second length of the second area. The first length is a maximum length from a bottom surface portion of the communication path to an upper portion of the first area, and the second length is a maximum length from the bottom surface portion of the communication path to an upper portion of the second area.
First Claim
Other Claims data not available
Family
| Country | kind | publication No. | Filing Date |
|---|---|---|---|
| JP | A | JP2018018058 | May 09, 2017 |
International Classification(s)
- 2017 Application Filing Year
- G03G Class
- 2629 Applications Filed
- 2246 Patents Issued To-Date
- 85.44 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- G03G Class
- 23.29 % this patent is cited more than
- 7 Age
Maintenance Fees
| Fee | Large entity fee | small entity fee | micro entity fee | due date |
|---|---|---|---|---|
| 7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jun 11, 2026 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jun 11, 2030 |
