Patent US2266382A successfully refreshed from Google Patents.
US2519795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-frequency electrical breakdown apparatus
Assignee: Individual
•
Filing: 1945-05-17
•
Granted: 1950-08-22
•
Expires: 1965-05-17
Abstract
No abstract record available.
Inventors
- 👤 Louis D Smullin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:13
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04; G; G01; G01S; G01S7/00; G01S7/02; G01S7/03; G01S7/034; H01P; H01P1/00; H01P1/10; H01P1/12; H01P1/122
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2106770A
Cited
US2189584A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-21 | 1954-02-20 | 1954-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-21 | 1958-02-20 | 1958-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-21 | 1962-02-20 | 1962-08-22 | $7700.00 | Window Closed / Lapsed |