Patent US3553603A successfully refreshed from Google Patents.
US3553603A
Expired / Lapsed
US
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Laser device utilizing an electric field across a nonresonant optical cavity
Assignee: Avco Corp
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Filing: 1966-03-21
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Granted: 1971-01-05
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Expires: 1986-03-21
Abstract
Abstract A LASER TYPE DEVICE WHEREIN A DRIVING ELECTRIC FIELD IS PERIODICALLY APPLIED IN A CROSS FIELD GEOMETRY ACROSS A CAVITY. AN OPTICALLY RESONANT CAVITY IS NOT NECESSARY TO PRODUCE AN OUTPUT BEAM, THE LONGITUDINAL AXIS OF WHICH IS PERPENDICULAR TO THE DRIVING ELECTRIC FIELD. THE DRIVING ELECTRIC FIELD IS PROVIDED WITH A FAST-RISE CURRENT PULSE, THE INDUCTANCE OF CURRENT PATHS IN THE DISCHARGE REGION BEING SUBSTANTIALLY UNIFORM AND AS SMALL AS POSSIBLE.
Inventors
- 👤 Donald A Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:24
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/02; H01S3/03
Claims Analysis
Total Claims: 0
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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) | 1974-01-04 | 1974-07-06 | 1975-01-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-04 | 1978-07-06 | 1979-01-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-04 | 1982-07-06 | 1983-01-05 | $7700.00 | Window Closed / Lapsed |