Patent US3215139A successfully refreshed from Google Patents.
US3215139A
Expired / Lapsed
US
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Ionization dental system
Assignee: DCD Research Corp
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Filing: 1964-08-06
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Granted: 1965-11-02
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Expires: 1984-08-06
Abstract
No abstract record available.
Inventors
- 👤 Victor H Dietz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:48
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61C; A61C19/00; A61C19/06; A61Q; A61Q11/00; A61K2800/00; A61K2800/80; A61K2800/83
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
129 words
AN ELECTRICAL CONTROL DEVICE FOR USE IN IONIZATION TREATMENT OF INDIVIDUALS, SAID CONTROL DEVICE HAVING AN ADJUSTABLE SOURCE OF ELECTRICAL CURRENT, MEANS FOR VARYING SAID ELECTRICAL CURRENT, MEANS FOR CONNECTING SAID DEVICE TO A PAIR OF ELECTRODES, AND MEANS FOR SETTING THE CONTROL DEVICE TO PROVIDE AN ELECTRICAL CURRENT FOR A VARIABLE PERIOD OF TIME, SAID CONTROL DEVICE BEING FURTHER PROVIDED WITH AN ELECTRICAL CURRENT METER SCALE IN REGISTRY WITH A VARIABLE TIME PERIOD SCALE WHEREBY AN INDICATING METER SCALE POINTER REGISTERS WITH THE TIME PERIOD SCALE TO INDICATE THE TIME PERIOD NECESSARY TO PROVIDE THE CURRENT TO FULFILL THE PRINZ FORMULA OF 30 MILLIAMPERE MINUTES, SAID CONTROL DEVICE BEING FURTHER PROVIDED WITH A PLURALITY OF BATTERIES AND MEANS FOR SWITCHING A SELECTED BATTERY INTO AND OUT OF OPERATION.
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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |