US3146449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slot fed horn radiator with protective radome having polarization and resistance wires embedded therein
Assignee: Bendix Corp
•
Filing: 1961-12-29
•
Granted: 1964-08-25
•
Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Igor B Serge
- 👤 Peyton S Webb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:25
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/02; H01Q1/42; H01Q1/425; H01Q13/00; H01Q13/02; H01Q13/0233; H01Q15/00; H01Q15/24
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
68 words
A MICROWAVE ANTENNA COMPRISING: A WAVEGUIDE SECTION INCLUDING A PLURALITY OF SLOTS EXTENDING GENERALLY TRANSVERSE TO THE LENGTH OF ONE FACE THEREOF AND FORMING A MICROWAVE ENERGY-RADIATING ARRAY, A SUPPORT FOR SAID WAVEGUIDE SECTION INCLUDING A UNITARY MEMBER HAVING AN ELONGATED RECESS FOR RECEIVING SAID WAVEGUIDE SECTION AND A PAIR OF FLARING WALL PORTIONS EMBRACING THE SLOTTED FACE OF SAID WAVEGUIDE AND CONSTITUTING THE ROOT OF A HORN,
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |