US2994869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Microwave antenna system
Assignee: Individual
•
Filing: 1950-05-23
•
Granted: 1961-08-01
•
Expires: 1970-05-23
Abstract
No abstract record available.
Inventors
- 👤 Orville C Woodyard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:27
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/04; G; G01; G01S; G01S13/00; G01S13/02; G01S13/06; G01S13/42; G01S13/44; G01S13/4445
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2440777A
Cited
US2426400A
Cited
US2502456A
Cited
US2482162A
Cited
US2464276A
Cited
US2527477A
Cited
US2432173A
Cited
US2523455A
Cited
US2453414A
Cited
US2589843A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |