Patent US3202934A successfully refreshed from Google Patents.
US3202934A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray excited laser generator
Assignee: Individual
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Filing: 1961-12-29
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Granted: 1965-08-24
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Expires: 1981-12-29
Abstract
No abstract record available.
Inventors
- 👤 Thomas A Coffee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:16
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/09155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
A DEVICE FOR GENERATION, AMPLIFICATION, MODULATION AND PROPAGATION OF A CONCENTRATED BEAM OF SUBSTANTIALLY COHERENT LIGHT COMPRISING: (A) A CATHODE RAY TUBE DISPOSED FOR PRODUCING A STREAM OF ELECTRONS; (B) A HOUSING SECURED TO THE FORWARD END OF SAID CATHODE RAY TUBE, SAID HOUSING PROVIDED WITH A CONCIAL CAVITY DISPOSED IN COMMUNICATION WITH SAID CATHODE RAY TUBE, SAID CONCIAL CAVITY HAVING ITS AXIS COINCIDENT WITH THE LONGITUDINAL AXIS OF SAID CATHODE RAY TUBE; (C) A PHOSPHOR PUMPING MEANS DISPOSED ON THE INNER WALL OF SAID CAVITY FOR BOMBARDMENT BY SAID ELECTRONS FOR PRODUCING A LIGHT OUTPUT; (D) A MEDIUM MOUNTED IN SAID HOUSING IN COAXIAL ALIGNMENT WITH THE AXIS OF SAID CAVITY, SAID MEDIUM DISPOSED FOR EXCITATION BY SAID PUMPING MEANS AND CONSEQUENT ENERGIZATION AT MULTIPLE LEVELS FOR EMISSION OF COHERENT LIGHT RESPONSIVE TO THE DIFFERENCES IN SAID LEVELS, (E) MEANS DISPOSED IN COMMUNICATION WITH SAID MEDUIM TO CARRY AWAY HEAT GENERATED THEREIN AS A RESULT OF THE ENERGIZATION OF SAID MEDIUM.
Claim 2
Independent Claim
162 words
A DEVICE FOR GENERATION, AMPLIFICATION, MODULATION AND PROPAGATION OF A CONCENTRATED BEAM OF SUBSTANTIALLY COHERENT LIGHT COMPRISING: (A) A CATHODE RAY TUBE DISPOSED FOR PRODUCING A STREAM OF ELECTRONS; (B) A HOUSING SECURED TO THE FORWARD END OF SAID CATHODE RAY TUBE, SAID HOUSING PROVIDED WITH A CONCIAL CAVITY DISPOSED IN COMMUNICATION WITH SAID CATHODE RAY TUBE, SAID CONCIAL CAVITY HAVING ITS AXIS COINCIDENT WITH THE LONGITUDINAL AXIS OF SAID CATHODE RAY TUBE; (C) A PHOSPHOR PUMPING MEANS DISPOSED ON THE INNER WALL OF SAID CAVITY FOR BOMBARDMENT BY SAID ELECTRONS FOR PRODUCING A LIGHT OUTPUT; (D) A MEDIUM MOUNTED IN SAID HOUSING IN COAXIAL ALIGNMENT WITH THE AXIS OF SAID CAVITY, SAID MEDIUM DISPOSED FOR EXCITATION BY SAID PUMPING MEANS AND CONSEQUENT ENERGIZATION AT MULTIPLE LEVELS FOR EMISSION OF COHERENT LIGHT RESPONSIVE TO THE DIFFERENCES IN SAID LEVELS, (E) MEANS DISPOSED IN COMMUNICATION WITH SAID MEDUIM TO CARRY AWAY HEAT GENERATED THEREIN AS A RESULT OF THE ENERGIZATION OF SAID MEDIUM.
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) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |