US2818507A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Velocity selector method for the separation of isotopes
Assignee: Individual
•
Filing: 1946-03-22
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Granted: 1957-12-31
•
Expires: 1966-03-22
Abstract
No abstract record available.
Inventors
- 👤 Roy J Britten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:33
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/28; H01J49/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
AN APPARATUS FOR SEPARATING IONS IN ACCORDANCE WITH THEIR MASS TO CHARGE RATIO COMPRISING IN COMBINATION AN ELONGATED EVACUATED CHAMBER, MEANS FOR PROPAGATING A BEAM OF SAID IONS AT UNIFORM KINETIC ENERGY THROUGH SAID CHAMBER IN THE DIRECTION OF ITS ELONGATION WHERBY SIMILARLY CHARGED IONS WILL HAVE A VELOCITY INVERSELY PROPORTIONAL TO THE SQUARE ROOT OF THEIR RESPECTIVE MASSES, A PLURALITY OF PAIRS OF DEFLECTING PLATES POSITIONED LONGITUDINALLY AT SPACED POINTS ALONG SAID BEAM FOR SUBJECTING SAID BEAM OF IONS TO A SERIES OF SPACED CONSECUTIVE ALTERNATING ELECTRIC FIELDS HAVING A COMPONENT TRANSVERSE TO THE DIRECTION OF PROPAGATION OF SAID BEAM, A SOURCE OF HIGH FREQUENCY ALTERNATING CURRENT, SUCCESSIVE PAIRS OF SAID PLATES BEING CONNECTED TO SAID SOURCE SIMULTANEOUSLY IN OPPOSITE PHASE TO EACH OTHER, WHEREBY A PARTICULAR ION OF PREDETERMINED MASS TO CHARGE RATIO WILL BE DEFLECTED
Claim 2
Independent Claim
138 words
AN APPARATUS FOR SEPARATING IONS IN ACCORDANCE WITH THEIR MASS TO CHARGE RATIO COMPRISING IN COMBINATION AN ELONGATED EVACUATED CHAMBER, MEANS FOR PROPAGATING A BEAM OF SAID IONS AT UNIFORM KINETIC ENERGY THROUGH SAID CHAMBER IN THE DIRECTION OF ITS ELONGATION WHERBY SIMILARLY CHARGED IONS WILL HAVE A VELOCITY INVERSELY PROPORTIONAL TO THE SQUARE ROOT OF THEIR RESPECTIVE MASSES, A PLURALITY OF PAIRS OF DEFLECTING PLATES POSITIONED LONGITUDINALLY AT SPACED POINTS ALONG SAID BEAM FOR SUBJECTING SAID BEAM OF IONS TO A SERIES OF SPACED CONSECUTIVE ALTERNATING ELECTRIC FIELDS HAVING A COMPONENT TRANSVERSE TO THE DIRECTION OF PROPAGATION OF SAID BEAM, A SOURCE OF HIGH FREQUENCY ALTERNATING CURRENT, SUCCESSIVE PAIRS OF SAID PLATES BEING CONNECTED TO SAID SOURCE SIMULTANEOUSLY IN OPPOSITE PHASE TO EACH OTHER, WHEREBY A PARTICULAR ION OF PREDETERMINED MASS TO CHARGE RATIO WILL BE DEFLECTED
References Cited (Backward Citations)
US2387550A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-12-30 | 1961-07-01 | 1961-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-30 | 1965-07-01 | 1965-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-30 | 1969-07-01 | 1969-12-31 | $7700.00 | Window Closed / Lapsed |