US3244855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
System for correcting the shift of an electron-gun beam from the desired region of impingement
Assignee: United States Steel Corp
•
Filing: 1963-07-19
•
Granted: 1966-04-05
•
Expires: 1983-07-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas K Cauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:06
CPC Classifications
H; H01; H01J; H01J37/00; H01J37/30; H01J37/304; B; B23; B23K; B23K15/00; C; C23; C23C; C23C14/00; C23C14/22; C23C14/24; C23C14/28; C23C14/30; H01J37/305; H01J37/3053
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-04 | 1969-10-04 | 1970-04-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-04 | 1973-10-04 | 1974-04-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-04 | 1977-10-04 | 1978-04-05 | $7700.00 | Window Closed / Lapsed |