Patent US3347066A successfully refreshed from Google Patents.
US2956281A
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Dielectric walls for transmission of electromagnetic radiation
Assignee: Individual
•
Filing: 1954-09-08
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Granted: 1960-10-11
•
Expires: 1974-09-08
Abstract
No abstract record available.
Inventors
- 👤 Edward B Mcmillan
- 👤 Raymond M Redheffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:41
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/422; H01Q1/424; Y; Y10; Y10S; Y10S264/00; Y10S264/06; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1003; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T428/00; Y10T428/24; Y10T428/24149; Y10T428/24157
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2501072A
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US2639248A
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US2747387A
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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) | 1963-10-11 | 1964-04-11 | 1964-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-10-11 | 1968-04-11 | 1968-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-10-11 | 1972-04-11 | 1972-10-11 | $7700.00 | Window Closed / Lapsed |