US2611098A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Beam power tube
Assignee: Raytheon Co
•
Filing: 1950-06-27
•
Granted: 1952-09-16
•
Expires: 1970-06-27
Abstract
No abstract record available.
Inventors
- 👤 Alan C Rockwood
- 👤 Harry D Felsenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:40
CPC Classifications
H; H01; H01J; H01J21/00; H01J21/02; H01J21/06; H01J21/10; H01J21/14; H01J2893/00; H01J2893/0029
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2250184A
Cited
US2355083A
Cited
US2465385A
Cited
US2464241A
Cited
US2433410A
Cited
US2486829A
Cited
US2464272A
Cited
US2459861A
Cited
US2476646A
Cited
US2490177A
Cited
US2476940A
Cited
US2487592A
Cited
US2493555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |