US2805414A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna structure
Assignee: TDK Micronas GmbH
•
Filing: 1955-05-26
•
Granted: 1957-09-03
•
Expires: 1975-05-26
Abstract
No abstract record available.
Inventors
- 👤 Taylor Irving Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:41
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/02; H01Q3/00; H01Q3/12; H01Q3/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2636986A
Cited
US2026652A
Cited
US2184729A
Cited
US2236102A
Cited
US2243523A
Cited
DE864280C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-02 | 1961-03-04 | 1961-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-02 | 1965-03-04 | 1965-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-02 | 1969-03-04 | 1969-09-03 | $7700.00 | Window Closed / Lapsed |