Circuit breaker
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jul 11, 2017
Issued Date -
N/A
app pub date -
Sep 29, 2015
filing date -
Apr 3, 2013
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A circuit breaker includes a main body case, an operating handle having a base portion and a knob portion protruding outwardly through a handle window frame opened in a cover of the main body case; a first shutter arranged between the base portion of the operating handle and the handle window frame, and disposed on the base portion, the first shutter being formed with a loose-fit hole to loosely fit the knob portion therethrough; and a second shutter disposed on the first shutter to move along with the knob portion. At ON and OFF positions of the operating handle, the first shutter extends beyond a front/rear edge of the handle window frame in a front-back direction to close the handle window frame, and the second shutter extends beyond a front/rear edge of the loose-fit hole in the front-back direction to close the loose-fit hole.
First Claim
Other Claims data not available
Family
International Classification(s)
- 2015 Application Filing Year
- H01H Class
- 1328 Applications Filed
- 1156 Patents Issued To-Date
- 87.05 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 0 Citation Count
- H01H Class
- 0 % this patent is cited more than
- 8 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 | Jan 11, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 11, 2029 |
