US3225307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Optical maser using a liquid rare-earth chelate
Assignee: Individual
•
Filing: 1962-02-12
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Granted: 1965-12-21
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Expires: 1982-02-12
Abstract
No abstract record available.
Inventors
- 👤 Samuel I Weissman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:26
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/14; H01S3/20; H01S3/207
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
IN AN OPTICAL PROVIDING A HOUSING ADAPTED TO CONTAIN A LIQUID AND PROVIDING A RESONANT OPTICAL CAVITY FOR LIGHT EMITTED FROM THE LIQUID, A LIQUID SOLUTION OF A CHELATE OF A RARE-EARTHMETAL OF THE LANTHANIDE SEIES DISPOSED IN SAID HOUSING, A SOURCE OF ACTIVATING LIGHT, MEANS ADMITTING SAID LIGHT TO THE SOLUTION TO EXCITE THE CHELATE MOLECULES IN SAID SOLUTION THEREBYSTIMULATING THE EMISSION OF FLUOROESCENT LIGHT, AND MEANS PERMITTING EGRESS OF SAID STIMULATED LIGHT.
Claim 2
Dependent Claim
74 words
IN AN OPTICAL PROVIDING A HOUSING ADAPTED TO CONTAIN A LIQUID AND PROVIDING A RESONANT OPTICAL CAVITY FOR LIGHT EMITTED FROM THE LIQUID, A LIQUID SOLUTION OF A CHELATE OF A RARE-EARTHMETAL OF THE LANTHANIDE SEIES DISPOSED IN SAID HOUSING, A SOURCE OF ACTIVATING LIGHT, MEANS ADMITTING SAID LIGHT TO THE SOLUTION TO EXCITE THE CHELATE MOLECULES IN SAID SOLUTION THEREBYSTIMULATING THE EMISSION OF FLUOROESCENT LIGHT, AND MEANS PERMITTING EGRESS OF SAID STIMULATED LIGHT.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |