US2785335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-cavity klystron
Assignee: Individual
•
Filing: 1946-05-15
•
Granted: 1957-03-12
•
Expires: 1966-05-15
Abstract
No abstract record available.
Inventors
- 👤 Robert H Dicke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:15
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02; H01J25/10; H01J25/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2280026A
Cited
US2403795A
Cited
US2455094A
Cited
US2409608A
Cited
US2464349A
Cited
US2409913A
Cited
US2457524A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-03-11 | 1960-09-10 | 1961-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-03-11 | 1964-09-10 | 1965-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-03-11 | 1968-09-10 | 1969-03-12 | $7700.00 | Window Closed / Lapsed |