US3372972A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical beam deflector
Assignee: Northrop Grumman Space and Mission Systems Corp
•
Filing: 1962-07-30
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Granted: 1968-03-12
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Expires: 1982-07-30
Abstract
No abstract record available.
Inventors
- 👤 Uwe J Schmidt
- 👤 Frithjof N Mastrup
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:53
CPC Classifications
G; G02; G02F; G02F1/00; G02F1/29; G02F1/293
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
AN OPTICAL ENERGY BEAM DEFLECTOR COMPRISING: A LIGHT ENERGY SOURCE; MEANS FOR TRANSMITTING A LIGHT BEAM FROM SAID SOURCE ALONG A PATH; A MATERIAL POSITIONED IN SAID PATH HAVING A FIRST INDEX OF REFRACTION WHEREBY THE LIGHT BEAM PASSES THROUGH THE MATERIAL AND LEAVES IN A GIVEN DIRECTION, SAID MATERIAL HAVING CHROMIUM ATOMS THEREIN; AND MEANS FOR VARYING THE INDEX OF REFRACTION OF SAID MATERIAL IN A DIRECTION TRANSVERSE TO SAID BEAM PATH,
Claim 2
Dependent Claim
73 words
AN OPTICAL ENERGY BEAM DEFLECTOR COMPRISING: A LIGHT ENERGY SOURCE; MEANS FOR TRANSMITTING A LIGHT BEAM FROM SAID SOURCE ALONG A PATH; A MATERIAL POSITIONED IN SAID PATH HAVING A FIRST INDEX OF REFRACTION WHEREBY THE LIGHT BEAM PASSES THROUGH THE MATERIAL AND LEAVES IN A GIVEN DIRECTION, SAID MATERIAL HAVING CHROMIUM ATOMS THEREIN; AND MEANS FOR VARYING THE INDEX OF REFRACTION OF SAID MATERIAL IN A DIRECTION TRANSVERSE TO SAID BEAM PATH,
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) | 1971-03-12 | 1971-09-11 | 1972-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-03-12 | 1975-09-11 | 1976-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-03-12 | 1979-09-11 | 1980-03-12 | $7700.00 | Window Closed / Lapsed |