US2704327A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Focussing and deflection of centimeter waves
Assignee: RCA Corp
•
Filing: 1947-10-01
•
Granted: 1955-03-15
•
Expires: 1967-10-01
Abstract
No abstract record available.
Inventors
- 👤 Charles H Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:39
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/44; H01Q3/443
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2408435A
Cited
US2405242A
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US2433368A
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US2435988A
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US2442951A
Cited
US2453414A
Cited
US2438735A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-03-14 | 1958-09-13 | 1959-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-03-14 | 1962-09-13 | 1963-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-03-14 | 1966-09-13 | 1967-03-15 | $7700.00 | Window Closed / Lapsed |