US3181170A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical display device
Assignee: Northrop Grumman Corp
•
Filing: 1963-07-25
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Granted: 1965-04-27
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Expires: 1983-07-25
Abstract
No abstract record available.
Inventors
- 👤 Phillip A Akin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:12
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
AN OPTICAL DISPLAY DEVICE COMPRISING MEANS FOR GENERATING AN INTENSE CONCENTRATED BEAM OF ENERGY IN THE FREQUENCY SPECTRUM FROM ULTRAVIOLET THROUGH INFRA-RED, A COMMAND SIGNAL SOURCE, AN IMAGE PLATE HAVING AN OPAQUE COATING WITH A RELATIVELY LOW VAPORIZATION TEMPERATURE THEREON, AND MEANS RESPONSIVE TO SAID COMMAND SIGNAL SOURCE OUTPUT FOR CAUSING SAID LIGHT BEAM TO IMPINGE ON SAID IMAGE PLATE, WHEREBY SAID LIGHT BEAM VAPORIZES SAID COATING TO FORM IMAGES IN ACCORDANCE WITH THE OUTPUT OF SAID COMMAND SIGNAL SOURCE.
Claim 2
Dependent Claim
80 words
AN OPTICAL DISPLAY DEVICE COMPRISING MEANS FOR GENERATING AN INTENSE CONCENTRATED BEAM OF ENERGY IN THE FREQUENCY SPECTRUM FROM ULTRAVIOLET THROUGH INFRA-RED, A COMMAND SIGNAL SOURCE, AN IMAGE PLATE HAVING AN OPAQUE COATING WITH A RELATIVELY LOW VAPORIZATION TEMPERATURE THEREON, AND MEANS RESPONSIVE TO SAID COMMAND SIGNAL SOURCE OUTPUT FOR CAUSING SAID LIGHT BEAM TO IMPINGE ON SAID IMAGE PLATE, WHEREBY SAID LIGHT BEAM VAPORIZES SAID COATING TO FORM IMAGES IN ACCORDANCE WITH THE OUTPUT OF SAID COMMAND SIGNAL SOURCE.
References Cited (Backward Citations)
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Cited
US2922987A
Cited
US2898176A
Cited
US2943147A
Cited
US3063331A
Cited
US3121216A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-04-26 | 1968-10-26 | 1969-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-26 | 1972-10-26 | 1973-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-26 | 1976-10-26 | 1977-04-27 | $7700.00 | Window Closed / Lapsed |