US3204102A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elevation finder for infrared device
Assignee: Lockheed Martin Corp
•
Filing: 1963-01-24
•
Granted: 1965-08-31
•
Expires: 1983-01-24
Abstract
No abstract record available.
Inventors
- 👤 Jr Ross L Hand
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:29
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; G; G02; G02B; G02B23/00; G02B23/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
149 words
IN COMBINATION WITH AN INFRARED SEARCH DEVICE INCLUDING A DIAGONAL MIRROR FOR RECEIVING TARGET ENERGY FROM A PREDETERMINED ELEVATIONAL SECTOR, AN INFRARED DETECTOR CELL POSITIONED SUBJACENT SAID MIRROR FOR RECEIVING REFLECTED TARGET ENERGY THEREFROM, AND A RETICLE LOCATED BETWEEN SAID MIRROR AND SAID CELL, SAID REFLECTED ENERGY STRIKING SAID CELL AFTER PASSING THROUGH A RETICLE AT POINTS DETERMINED BY THE ELEVATION OF SAID TARGET ENERGY WITHIN SAID PREDETERMINED SECTOR, SAID CELL EMITTING A SIGNAL WHEN TARGET ENERGY STRICKES ANY POINTS THEREON, AN ELEVATION FINDER COMPRICING: (A) A WAND POSITIONABLE WITH RESPECT TO SAID RETICLE TO BLOCK SAID ENERGY FROM SAID CELL; (B) MEANS FOR POSITIONING SAID WAND AT A LOCATION WITH RESPECT TO SAID RETICLE AT WHICH SAID WAND BLOCKS THE ENERGY DIRECTED TO SAID CELL FROM SAID TARGET; AND (C) MEANS FOR INDICATING THE POSITION OF SAID WAND TO PROVIDE AN INDICATION OF THE ELEVATION OF SAID TARGET.
References Cited (Backward Citations)
US3057953A
Cited
US3084253A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |