Patent US3365671A successfully refreshed from Google Patents.
US3365671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multiple-pass molecular laser amplifier with masking to prevent oscillations
Assignee: AT&T Inc
•
Filing: 1966-07-12
•
Granted: 1968-01-23
•
Expires: 1986-07-12
Abstract
No abstract record available.
Inventors
- 👤 Herwig W Kogelnik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:34
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/23; H01S3/2308; H01S3/2325; H01S3/05; H01S3/08; H01S3/08059; H01S3/08068; H01S3/14; H01S3/22; H01S3/223; H01S3/2232
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A LIGHT BEAM AMPLIFIER COMPRISING AN ACTIVE MEDIUM, MEANS FOR EXCITING SAID MEDIUM TO A NEGATIVE TEMPERATURE STATE, MEANS FOR INTRODUCING A LIGHT BEAM TO BE AMPLIFIED INTO SAID MEDIUM, MEANS FOR PRODUCING MULTIPLE TRAVERSALS OF THE BEAM THROUGH SAID MEDIUM WHILE SUPPRESSING OSCILLATIONS COMPRISING A PAIR OF OPPOSED SPACED REFLECTORS DISPOSED ADJACENT SAID MEDIUM IN THE PATH OF THE LIGHT BEAM, AT LEAST ONE OF SAID REFLECTORS HAVING A
Claim 2
Dependent Claim
70 words
A LIGHT BEAM AMPLIFIER COMPRISING AN ACTIVE MEDIUM, MEANS FOR EXCITING SAID MEDIUM TO A NEGATIVE TEMPERATURE STATE, MEANS FOR INTRODUCING A LIGHT BEAM TO BE AMPLIFIED INTO SAID MEDIUM, MEANS FOR PRODUCING MULTIPLE TRAVERSALS OF THE BEAM THROUGH SAID MEDIUM WHILE SUPPRESSING OSCILLATIONS COMPRISING A PAIR OF OPPOSED SPACED REFLECTORS DISPOSED ADJACENT SAID MEDIUM IN THE PATH OF THE LIGHT BEAM, AT LEAST ONE OF SAID REFLECTORS HAVING A
References Cited (Backward Citations)
US3136959A
Cited
US3154751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-22 | 1971-07-24 | 1972-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-22 | 1975-07-24 | 1976-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-22 | 1979-07-24 | 1980-01-23 | $7700.00 | Window Closed / Lapsed |