US2523320A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compact ultra high frequency energy-confining rotating joint
Assignee: Unisys Corp
•
Filing: 1946-04-12
•
Granted: 1950-09-26
•
Expires: 1966-04-12
Abstract
No abstract record available.
Inventors
- 👤 Walter W Mieher
- 👤 John D Mallett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:05
CPC Classifications
H; H01; H01P; H01P1/00; H01P1/06; H01P1/062; H01P1/066; H01P1/067
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2322971A
Cited
US2351895A
Cited
US2401344A
Cited
US2404542A
Cited
US2364526A
Cited
US2402540A
Cited
US2434925A
Cited
US2407318A
Cited
US2425345A
Cited
US2426226A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-25 | 1954-03-27 | 1954-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-25 | 1958-03-27 | 1958-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-25 | 1962-03-27 | 1962-09-26 | $7700.00 | Window Closed / Lapsed |