Patent US2737590A successfully refreshed from Google Patents.
US2737590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion source for a calutron
Assignee: Individual
•
Filing: 1945-03-13
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Granted: 1956-03-06
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Expires: 1965-03-13
Abstract
No abstract record available.
Inventors
- 👤 Edward J Lofgren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:47
CPC Classifications
H; H01; H01J; H01J49/00; H01J49/26; H01J49/28; H01J49/30; H01J49/02; H01J49/10; H01J49/12; H01J49/126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
A CALUTRON COMPRISING A TANK, A SUPPORT TUBE SECURED TO ONE WALL OF SAID TANK, A FIRST GIMBAL RING SECURED TO SAID TUBE, A SECOND GIMBAL RING PIVOTABLY MOUNTED ON SAID FIRST RING, A DISC MOVABLY SUPPORTED BY SAID SECOND GIMBAL RING, A STEM SECURED TO SAID DISC AND ENTERING SAID TUBE, AN EXTERNALLY THREADED CYLINDRICAL SLEEVE RIGIDLY SECURED TO SAID DISC AND EXTENDING THEREFROM TOWARD SAID TUBE, A PLURALITY OF THREADED BUSHINGS ENGAGING THE EXTERNAL THREADS OF SAID CYLINDRICAL SLEEVE AND SLIDABLY ENGAGING SAID SECOND GIMBAL RING, A RING GEAR RIGIDLY SECURED TO SAID BUSHINGS AND SAID DISC, A PINION TEAR ROTATABLY MOUNTED UPON SAID SECOND GIMBAL RING ANG ENGAGING SAID RING GEAR WHEREBY ANGULAR DISPLACEMENT OF SAID PINION GEAR PRODUCES AXIAL DISPLACEMENT OF SAID STEM AND DISC RELATIVE TO SAID TUBE AND GIMBAL RINGS, AND FLEXIBLE AIRTIGHT CONNECTING MEANS SECURED TO SAID TUBE AND SAID CYLINDRICAL SLEEVE.
Claim 2
Dependent Claim
149 words
A CALUTRON COMPRISING A TANK, A SUPPORT TUBE SECURED TO ONE WALL OF SAID TANK, A FIRST GIMBAL RING SECURED TO SAID TUBE, A SECOND GIMBAL RING PIVOTABLY MOUNTED ON SAID FIRST RING, A DISC MOVABLY SUPPORTED BY SAID SECOND GIMBAL RING, A STEM SECURED TO SAID DISC AND ENTERING SAID TUBE, AN EXTERNALLY THREADED CYLINDRICAL SLEEVE RIGIDLY SECURED TO SAID DISC AND EXTENDING THEREFROM TOWARD SAID TUBE, A PLURALITY OF THREADED BUSHINGS ENGAGING THE EXTERNAL THREADS OF SAID CYLINDRICAL SLEEVE AND SLIDABLY ENGAGING SAID SECOND GIMBAL RING, A RING GEAR RIGIDLY SECURED TO SAID BUSHINGS AND SAID DISC, A PINION TEAR ROTATABLY MOUNTED UPON SAID SECOND GIMBAL RING ANG ENGAGING SAID RING GEAR WHEREBY ANGULAR DISPLACEMENT OF SAID PINION GEAR PRODUCES AXIAL DISPLACEMENT OF SAID STEM AND DISC RELATIVE TO SAID TUBE AND GIMBAL RINGS, AND FLEXIBLE AIRTIGHT CONNECTING MEANS SECURED TO SAID TUBE AND SAID CYLINDRICAL SLEEVE.
References Cited (Backward Citations)
US791364A
Cited
US1559714A
Cited
US1731009A
Cited
CH115177A
Cited
US1702762A
Cited
US1842561A
Cited
US2130020A
Cited
DE670218C
Cited
US2167519A
Cited
US2257794A
Cited
US2341551A
Cited
US2420560A
Cited
US2407974A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-03-06 | 1959-09-05 | 1960-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-03-06 | 1963-09-05 | 1964-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-03-06 | 1967-09-05 | 1968-03-06 | $7700.00 | Window Closed / Lapsed |