US2916659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron beam forming apparatus
Assignee: Unisys Corp
•
Filing: 1956-03-28
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Granted: 1959-12-08
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Expires: 1976-03-28
Abstract
No abstract record available.
Inventors
- 👤 Thomas D Sege
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 02:59
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/78; H01; H01J; H01J23/00; H01J23/02; H01J23/04; H01J23/05; H01J23/06; H01J23/07; H01J3/00; H01J3/02; H01J3/029; H01P; H01P1/00; H01P1/16; H01P1/162
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2303166A
Cited
US2422695A
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US2647220A
Cited
US2500417A
Cited
US2593095A
Cited
US2527619A
Cited
GB645756A
Cited
US2632130A
Cited
US2811667A
Cited
US2822501A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-07 | 1963-06-08 | 1963-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-07 | 1967-06-08 | 1967-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-07 | 1971-06-08 | 1971-12-08 | $7700.00 | Window Closed / Lapsed |