US2905847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High compression beam generating system especially for velocity modulated tubes
Assignee: International Standard Electric Corp
•
Filing: 1956-11-28
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Granted: 1959-09-22
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Expires: 1976-11-28
Abstract
No abstract record available.
Inventors
- 👤 Klein Werner
- 👤 Friz Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:34
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/06; H01J23/065; H01J23/16; H01J23/24; H01J23/30; H01J3/00; H01J3/02; H01J3/029
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2729759A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-09-21 | 1963-03-23 | 1963-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-09-21 | 1967-03-23 | 1967-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-09-21 | 1971-03-23 | 1971-09-22 | $7700.00 | Window Closed / Lapsed |