US3105167A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated electron tube tuning device
Assignee: MICROWAVE ELECTRIC TUBE COMPAN
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Filing: 1960-07-26
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Granted: 1963-09-24
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Expires: 1980-07-26
Abstract
No abstract record available.
Inventors
- 👤 Richard J Broderick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:25
CPC Classifications
H; H01; H01J; H01J25/00; H01J25/02; H01J25/22; H01J25/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
AN IMPROVED SAFE DEVICE FOR TUNING ADJUSTABLE CAVITY RESONATOR ELECTRON DISCHARGE TUBES COMPRISING THE COMBINATION OF AN ELECTRON TUBE HAVING AN ELECTRICALLY CONDUCTING EVACUATED ENVELOPE, MOVEABLE ELECTRODES POSITIONED IN SPACED RELATIONSHIP WITHIN THE ENVELOPE, AND THREADED MEANS FOR POSITIONING THE ELECTRODES IN COMBINATION WITH A LEAD SCREW HAVING A HEAD END, THE LEAD SCREW BEING MECHANICALLY COUPLED TO THE THREADED MEANS, THE HEAD END BEING CAPPED WITH AN ELECTRICAL INSULATING MA-
Claim 2
Dependent Claim
71 words
AN IMPROVED SAFE DEVICE FOR TUNING ADJUSTABLE CAVITY RESONATOR ELECTRON DISCHARGE TUBES COMPRISING THE COMBINATION OF AN ELECTRON TUBE HAVING AN ELECTRICALLY CONDUCTING EVACUATED ENVELOPE, MOVEABLE ELECTRODES POSITIONED IN SPACED RELATIONSHIP WITHIN THE ENVELOPE, AND THREADED MEANS FOR POSITIONING THE ELECTRODES IN COMBINATION WITH A LEAD SCREW HAVING A HEAD END, THE LEAD SCREW BEING MECHANICALLY COUPLED TO THE THREADED MEANS, THE HEAD END BEING CAPPED WITH AN ELECTRICAL INSULATING MA-
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) | 1966-09-23 | 1967-03-25 | 1967-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-23 | 1971-03-25 | 1971-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-23 | 1975-03-25 | 1975-09-24 | $7700.00 | Window Closed / Lapsed |