US2936394A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron gun
Assignee: Raytheon Co
•
Filing: 1955-07-18
•
Granted: 1960-05-10
•
Expires: 1975-07-18
Abstract
No abstract record available.
Inventors
- 👤 George R Brewer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:52
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/029
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2306875A
Cited
USRE22389E
Cited
US2492142A
Cited
US2632130A
Cited
US2725499A
Cited
US2730647A
Cited
US2687490A
Cited
US2608668A
Cited
US2776389A
Cited
US2790105A
Cited
US2822499A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-05-10 | 1963-11-09 | 1964-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-10 | 1967-11-09 | 1968-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-10 | 1971-11-09 | 1972-05-10 | $7700.00 | Window Closed / Lapsed |