US2594777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion controller
Assignee: Veolia WTS Systems USA Inc
•
Filing: 1950-07-14
•
Granted: 1952-04-29
•
Expires: 1970-07-14
Abstract
No abstract record available.
Inventors
- 👤 Hicks William Wesley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:44
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/30; A; A61; A61L; A61L9/00; A61L9/16; A61L9/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2060842A
Cited
US2524227A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |