US3311852A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High frequency externally pulsed switch tube
Assignee: Individual
•
Filing: 1964-11-12
•
Granted: 1967-03-28
•
Expires: 1984-11-12
Abstract
No abstract record available.
Inventors
- 👤 Giller Morris
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:27
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A MICROWAVE SWITCH COMPRISING A SEGMENT OF WAVEGUIDE, LONGITUDINALLY SPLIT TO PROVIDE SYMMETRICAL SECTIONS, WINDOW MEANS WITHIN THE WAVEGUIDE DEFINING A RESONANT CAVITY, RETAINING MEANS WITHIN THE CAVITY TO RETAIN AN IONIZABLE MEDIUM THEREIN, THROUGH WHICH MICROWAVE ENERGY MAY PASS WHEN THE MEDIUM IS IN ITS UNIONIZED STATE, AND THROUGH WHICH MICROWAVE ENERGY MAY NOT PASS WHEN THE MEDIUM IS IN ITS IONIZED STATE, AND
Claim 2
Dependent Claim
65 words
A MICROWAVE SWITCH COMPRISING A SEGMENT OF WAVEGUIDE, LONGITUDINALLY SPLIT TO PROVIDE SYMMETRICAL SECTIONS, WINDOW MEANS WITHIN THE WAVEGUIDE DEFINING A RESONANT CAVITY, RETAINING MEANS WITHIN THE CAVITY TO RETAIN AN IONIZABLE MEDIUM THEREIN, THROUGH WHICH MICROWAVE ENERGY MAY PASS WHEN THE MEDIUM IS IN ITS UNIONIZED STATE, AND THROUGH WHICH MICROWAVE ENERGY MAY NOT PASS WHEN THE MEDIUM IS IN ITS IONIZED STATE, AND
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) | 1970-03-27 | 1970-09-26 | 1971-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-27 | 1974-09-26 | 1975-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-27 | 1978-09-26 | 1979-03-28 | $7700.00 | Window Closed / Lapsed |