US2530172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ultra high frequency generator
Assignee: Westinghouse Electric Corp
•
Filing: 1945-02-17
•
Granted: 1950-11-14
•
Expires: 1965-02-17
Abstract
No abstract record available.
Inventors
- 👤 Ernest C Okress
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:57
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/50; H01J25/52; H01J25/58; H01J25/587
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2136101A
Cited
GB509102A
Cited
US2305781A
Cited
US2242888A
Cited
US2280824A
Cited
US2233263A
Cited
US2351895A
Cited
US2348986A
Cited
US2408234A
Cited
US2408235A
Cited
US2416899A
Cited
US2418469A
Cited
US2418117A
Cited
US2452032A
Cited
US2452056A
Cited
US2414085A
Cited
US2413385A
Cited
US2438194A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-13 | 1954-05-15 | 1954-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-13 | 1958-05-15 | 1958-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-13 | 1962-05-15 | 1962-11-14 | $7700.00 | Window Closed / Lapsed |