US3552124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion thrustor accelerator system
Assignee: National Aeronautics and Space Administration
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Filing: 1968-09-09
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Granted: 1971-01-05
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Expires: 1988-09-09
Abstract
Abstract A SINGLE COATED GRID ACCELERATOR SYSTEM FOR AN ION THRUSTOR. THE GRID IS COATED WITH AN INSULATING MATERIAL THAT IS BONDED TO ITS SURFACE.
Inventors
- 👤 Bruce A Banks
- 👤 Shigeo Nakanishi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:31
CPC Classifications
F; F03; F03H; F03H1/00; F03H1/0037; F03H1/0043
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |