US2733347A
Expired / Lapsed
US
⏱️ 0.0 years remaining
De liban
Assignee: —
•
Filing: —
•
Granted: 1956-01-31
•
Expires: 1973-01-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:36
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/28; H01J49/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A REGULATOR FOR A CALUTRON ION SOURCE COMPRISING IN COMBINATION AN ION SOURCE HAVING AN ANODE AND A CATHODE, A RESISTOR CONNECTED IN SERIES WITH SAID CATHODE, A PAIR OF FEEDERS FOR SUPPLYING HEATING CURRENT TO SAID CATHODE THROUGH SAID RESISTOR, A VARIABLE IMPEDANCE APPARATUS CONNECTED ACROSS SAID RESISTOR, SAID VARIABLE IMPENDANCE APPARATUS INCLUDING GAS DISCHARGE DEVICE MEANS, AND MEANS FOR CONTROLLING SAID GAS DISCHARGE DEVICE MEANS IN ACCORDANCE WITH THE ARC CURRENT BETWEEN SAID ANODE AND SAID CATHODE, WHEREBY THE CURRENT TO SAID CATHODE IS CONTROLLED TO MAINTAIN SAID ARC CURRENT SUBSTANTIALLY CONSTANT.
Claim 2
Dependent Claim
94 words
A REGULATOR FOR A CALUTRON ION SOURCE COMPRISING IN COMBINATION AN ION SOURCE HAVING AN ANODE AND A CATHODE, A RESISTOR CONNECTED IN SERIES WITH SAID CATHODE, A PAIR OF FEEDERS FOR SUPPLYING HEATING CURRENT TO SAID CATHODE THROUGH SAID RESISTOR, A VARIABLE IMPEDANCE APPARATUS CONNECTED ACROSS SAID RESISTOR, SAID VARIABLE IMPENDANCE APPARATUS INCLUDING GAS DISCHARGE DEVICE MEANS, AND MEANS FOR CONTROLLING SAID GAS DISCHARGE DEVICE MEANS IN ACCORDANCE WITH THE ARC CURRENT BETWEEN SAID ANODE AND SAID CATHODE, WHEREBY THE CURRENT TO SAID CATHODE IS CONTROLLED TO MAINTAIN SAID ARC CURRENT SUBSTANTIALLY CONSTANT.
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) | 1959-01-30 | 1959-08-01 | 1960-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-30 | 1963-08-01 | 1964-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-30 | 1967-08-01 | 1968-01-31 | $7700.00 | Window Closed / Lapsed |