US2750560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron discharge tube
Assignee: Bendix Aviation Corp
•
Filing: 1951-09-25
•
Granted: 1956-06-12
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 George S Miles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:36
CPC Classifications
H; H01; H01J; H01J41/00; H01J41/02; H01J41/04; G; G01; G01L; G01L21/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1372798A
Cited
US1937201A
Cited
US2193953A
Cited
US2037231A
Cited
US2030362A
Cited
US2248425A
Cited
US2454564A
Cited
US2582647A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-12 | 1959-12-12 | 1960-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-12 | 1963-12-12 | 1964-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-12 | 1967-12-12 | 1968-06-12 | $7700.00 | Window Closed / Lapsed |