US3097358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
zamanakos
Assignee: —
•
Filing: —
•
Granted: 1963-07-09
•
Expires: 1980-07-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:47
CPC Classifications
F; F41; F41G; F41G7/00; F41G7/20; F41G7/22; H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q9/27
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
107 words
IN APPARATUS FOR HOMING ON A SOURCE OF ELECTROMAGNETIC WAVE ENERGY, A PLURALITY OF SPIRAL ANTENNAS HAVING A DISCONTINUITY IN AT LEAST ONE CONDUCTOR OF EACH, MEANS FOR AMPLIFYING SIGNALS PICKED UP BY THE ANTENNAS, MEANS FOR COMPARING AMPLIFIED SIGNALS FROM TWO OF THE ANTENNAS TO DERIVE GUIDANCE CONTROL SIGNALS FOR THE HOMING APPARATUS, A PLURALITY OF CURRENT RESPONSIVE DISCONNECT MEANS FOR BRIDGING THE SPIRAL ANTENNA DISCONTINUITIES WHEREBY THE CONNECTIONS ACROSS THE DISCONTINUITIES WHEREBY UPON THE OCCURENCE OF PRESELECTED CURRENT FLOW THERETHROUGH, AND MEANS FOR APPLYING A DESTRUCT SIGNAL TO SAID DISCONNECT MEANS TO CAUSE THE CONNECTIONS THROUGH ALL OF SAID DISCONNECT MEANS TO BE BROKEN SIMULTANEOUSLY.
References Cited (Backward Citations)
US3010416A
Cited
US2886744A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-07-08 | 1967-01-07 | 1967-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-08 | 1971-01-07 | 1971-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-08 | 1975-01-07 | 1975-07-09 | $7700.00 | Window Closed / Lapsed |