US3422263A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ionized air producing device
Assignee: Individual
•
Filing: 1964-12-23
•
Granted: 1969-01-14
•
Expires: 1984-12-23
Abstract
No abstract record available.
Inventors
- 👤 Jiro Asahina
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:19
CPC Classifications
A; A61; A61L; A61L9/00; A61L9/16; A61L9/22; A61M; A61M15/00; A61M15/02; F; F24; F24F; F24F7/00; F24F7/007; F24F7/013; F24F8/00; F24F8/10; F24F8/192; H; H01; H01T; H01T23/00; Y; Y02; Y02A; Y02A50/00; Y02A50/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US3264473A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-14 | 1972-07-15 | 1973-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-14 | 1976-07-15 | 1977-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-14 | 1980-07-15 | 1981-01-14 | $7700.00 | Window Closed / Lapsed |