Thruster grid clear circuits and methods to clear thruster grids
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 5, 2018
Issued Date -
N/A
app pub date -
Apr 22, 2015
filing date -
Oct 18, 2012
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Thruster grid clear circuits and methods to clear thruster grids are disclosed. An example apparatus includes a low voltage grid clear circuit to apply first energy to a grid at a first voltage, and a high voltage grid clear circuit to detect a failure of the applied energy to clear a short circuit condition of the grid and to apply second energy to the grid at a second voltage higher than the first voltage.
First Claim
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| Country | kind | publication No. | Filing Date | Type | Sub-Type |
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International Classification(s)
- 2015 Application Filing Year
- B64G Class
- 249 Applications Filed
- 209 Patents Issued To-Date
- 83.94 % Issued To-Date
Cited Art Landscape
Patent Citation Ranking
- 2 Citation Count
- B64G Class
- 32.84 % 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 | Dec 5, 2025 |
| 11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Dec 5, 2029 |
