US3289030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electron tube with apertured interdigital delay line, adjacent apertures being of different size and at different voltages
Assignee: Raytheon Co
•
Filing: 1963-04-26
•
Granted: 1966-11-29
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Expires: 1983-04-26
Abstract
No abstract record available.
Inventors
- 👤 Rudolf C Hergenrother
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:44
CPC Classifications
H; H01; H01J; H01J23/00; H01J23/02; H01J23/08; H01J23/083; H01J23/16; H01J23/24; H01J23/28; H01J25/00; H01J25/34; H01J25/36; H01J25/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
IN A DELAY LINE STRUCTURE: A PLURALITY OF INTERDIGITATED MEMBERS HAVING ALTERNATELY SMALLER AND LARGER APERTURES THEREIN; AND VOLTAGE MEANS COUPLED TO ALTERNATE INTERDIGITATED MEMBERS SUCH THAT THE INTERDIGITATED MEMBERS HAV-
Claim 2
Dependent Claim
31 words
IN A DELAY LINE STRUCTURE: A PLURALITY OF INTERDIGITATED MEMBERS HAVING ALTERNATELY SMALLER AND LARGER APERTURES THEREIN; AND VOLTAGE MEANS COUPLED TO ALTERNATE INTERDIGITATED MEMBERS SUCH THAT THE INTERDIGITATED MEMBERS HAV-
References Cited (Backward Citations)
US2895071A
Cited
US2926280A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |