Patent US3252103A successfully refreshed from Google Patents.
US3252103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Nd3+-yag laser amplifier and oscillator
Assignee: AT&T Inc
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Filing: 1964-05-14
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Granted: 1966-05-17
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Joseph E Geusic
- 👤 Le Grand G Van Uitert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:52
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/14; H01S3/16; H01S3/1601; H01S3/1603; H01S3/1611; H01S3/163; H01S3/164; H01S3/1643
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
LASER COMPRISING AN ACTIVE ELEMENT CONSISTING ESSENTIALLY OF A SINGLE CRYSTALLINE BODY OF YTTRIUM-ALUMINUM GARNET CONTAINING FROM ONE-HALF TO 10 ATOMIC PERCENT OF ND BASED ON THE NUMBER OF YTTRIUM ATOMS AND IN WHICH THE SAID BODY HAS A PHASE DISTROTION LESS THAN TWO WAVES PER CENTIMETR OF PATH LENGTH AND AN OPTICAL LOSS LESS THAN 0.4 DB/CM., BOTH MEASURED AT THE RESONANCE LINE OF CONCERN.
Claim 2
Dependent Claim
66 words
LASER COMPRISING AN ACTIVE ELEMENT CONSISTING ESSENTIALLY OF A SINGLE CRYSTALLINE BODY OF YTTRIUM-ALUMINUM GARNET CONTAINING FROM ONE-HALF TO 10 ATOMIC PERCENT OF ND BASED ON THE NUMBER OF YTTRIUM ATOMS AND IN WHICH THE SAID BODY HAS A PHASE DISTROTION LESS THAN TWO WAVES PER CENTIMETR OF PATH LENGTH AND AN OPTICAL LOSS LESS THAN 0.4 DB/CM., BOTH MEASURED AT THE RESONANCE LINE OF CONCERN.
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) | 1969-05-16 | 1969-11-15 | 1970-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-16 | 1973-11-15 | 1974-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-16 | 1977-11-15 | 1978-05-17 | $7700.00 | Window Closed / Lapsed |