US2925564A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for modulating an ionized medium
Assignee: Honeywell Inc
•
Filing: 1956-01-18
•
Granted: 1960-02-16
•
Expires: 1976-01-18
Abstract
No abstract record available.
Inventors
- 👤 Rabah A Shahbender
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:59
CPC Classifications
H; H03; H03C; H03C1/00; H03C1/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1554345A
Cited
GB280948A
Cited
US1898486A
Cited
US2602914A
Cited
US2696584A
Cited
US2750455A
Cited
US2800622A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-15 | 1963-08-17 | 1964-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-15 | 1967-08-17 | 1968-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-15 | 1971-08-17 | 1972-02-16 | $7700.00 | Window Closed / Lapsed |