US2954558A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Omnidirectional antenna systems
Assignee: Individual
•
Filing: 1958-03-20
•
Granted: 1960-09-27
•
Expires: 1978-03-20
Abstract
No abstract record available.
Inventors
- 👤 Richard C Honey
- 👤 Edward M T Jones
- 👤 Seymour B Cohn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:09
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/02; H01Q13/04; H01Q25/00; H01Q25/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |