Patent US3213281A successfully refreshed from Google Patents.
US3213281A
Expired / Lapsed
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Inhomogeneous magnetic field controlled laser device
Assignee: General Dynamics Corp
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Filing: 1962-05-24
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Granted: 1965-10-19
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Expires: 1982-05-24
Abstract
No abstract record available.
Inventors
- 👤 Howard C Nedderman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:44
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/11; H01S3/1123; H01S3/1124; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093; H01S3/106; H01S3/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
LASER APPARATUS COMPRISING (A) A LASER MEDIMUM HAVING A GIVEN LENGTH, (B) MEANS FOR EXCITING SAID MEDIUM FO THE EMISSION OF COHERENT ELECTROMAGNETIC WAVES FROM SAID MEDIUM, AND (C) MEANS FOR ESTABLISHING WITHIN SAID MEDIUM AND INHOMOGENEOUS MAGNETIC FIELD CONTINUOUSLY VARYING IN STRENGTH THROUGHOUT SAID MEDIUM WHEREBY TO CONTROL THE EMISSION OF SAID WAVES.
Claim 2
Dependent Claim
54 words
LASER APPARATUS COMPRISING (A) A LASER MEDIMUM HAVING A GIVEN LENGTH, (B) MEANS FOR EXCITING SAID MEDIUM FO THE EMISSION OF COHERENT ELECTROMAGNETIC WAVES FROM SAID MEDIUM, AND (C) MEANS FOR ESTABLISHING WITHIN SAID MEDIUM AND INHOMOGENEOUS MAGNETIC FIELD CONTINUOUSLY VARYING IN STRENGTH THROUGHOUT SAID MEDIUM WHEREBY TO CONTROL THE EMISSION OF SAID WAVES.
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) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |