Patent US3517185A successfully refreshed from Google Patents.
Patent US3300677A successfully refreshed from Google Patents.
US3300677A
Expired / Lapsed
US
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Electrode mount and method of manufacture thereof
Assignee: RCA Corp
•
Filing: 1962-03-30
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Granted: 1967-01-24
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Expires: 1982-03-30
Abstract
No abstract record available.
Inventors
- 👤 Kenneth N Karol
- 👤 Earle S Thall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:38
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/16; H01J23/24; H01J23/26; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A TRAVELING WAVE TUBE COMPRISING: (A) AN ENVELOPE INCLUDING AN ELONGATED TUBULAR SECTION OF REFRACTORY INSULATING MATERIAL HAVING AT LEAST TWO INTEGRAL LONGITUDINAL INTERNAL RIBS; AND (B) AN ELONGATED HELIX OF REFREACTORY METAL MOUNTED WITHIN SAID SECOND; (C) ACH TURN OF SAID HELIX BEING SPACED FROM AND RIGIDLY CONNECTED TO EACH OF SID RIBS BY A SMALL PEDESTAL OF THE MATERIAL OF SAID RIBS INTEGRAL WITH SAID RIB AND FUSED TO SAID HELIX TURN.
Claim 2
Dependent Claim
74 words
A TRAVELING WAVE TUBE COMPRISING: (A) AN ENVELOPE INCLUDING AN ELONGATED TUBULAR SECTION OF REFRACTORY INSULATING MATERIAL HAVING AT LEAST TWO INTEGRAL LONGITUDINAL INTERNAL RIBS; AND (B) AN ELONGATED HELIX OF REFREACTORY METAL MOUNTED WITHIN SAID SECOND; (C) ACH TURN OF SAID HELIX BEING SPACED FROM AND RIGIDLY CONNECTED TO EACH OF SID RIBS BY A SMALL PEDESTAL OF THE MATERIAL OF SAID RIBS INTEGRAL WITH SAID RIB AND FUSED TO SAID HELIX TURN.
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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) | 1970-01-23 | 1970-07-25 | 1971-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-23 | 1974-07-25 | 1975-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-23 | 1978-07-25 | 1979-01-24 | $7700.00 | Window Closed / Lapsed |