US2867894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnetically enclosed coil
Assignee: Aladdin Industries LLC
•
Filing: 1954-11-29
•
Granted: 1959-01-13
•
Expires: 1974-11-29
Abstract
No abstract record available.
Inventors
- 👤 Lester E Hill
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 06:18
CPC Classifications
H; H01; H01F; H01F17/00; H01F17/04; H01F17/045; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/4902; Y10T29/49073; Y10T29/49075; Y10T29/49076; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1164739A
Cited
US1742018A
Cited
US1775981A
Cited
US1991143A
Cited
US2544152A
Cited
US2567394A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |