Patent US4075846A successfully refreshed from Google Patents.
Patent US2887683A successfully refreshed from Google Patents.
US2887683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antenna system
Assignee: Motorola Solutions Inc
•
Filing: 1952-12-22
•
Granted: 1959-05-19
•
Expires: 1972-12-22
Abstract
No abstract record available.
Inventors
- 👤 Dyke Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:58
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/10; H01Q19/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2607010A
Cited
US2518526A
Cited
US2605416A
Cited
US2671855A
Cited
US2581352A
Cited
US2605420A
Cited
US2492951A
Cited
US2645769A
Cited
US2566900A
Cited
GB675245A
Cited
US2679004A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-18 | 1962-11-17 | 1963-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-18 | 1966-11-17 | 1967-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-18 | 1970-11-17 | 1971-05-19 | $7700.00 | Window Closed / Lapsed |