US3265989A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser apparatus using high frequency electrodeless discharge pumping
Assignee: Siemens and Halske AG
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Filing: 1962-04-13
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Granted: 1966-08-09
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Expires: 1982-04-13
Abstract
No abstract record available.
Inventors
- 👤 Gurs Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:49
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/09; H01S3/091; H01S3/0915; H01S3/092; H01S3/093
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
53 words
AN APPARATUS FOR LIGHT AMPLIFICATION COMPRISING A LASER CRYSTAL, A VESSEL SURROUNDING SAID CRYSTAL FOR HOLDING A GAS, AND A HIGH FREQUENCY COIL FOR INDUCING ELECTRIC CURRENTS IN THE GAS AND PRODUCING AN ELECTRODELESS GAS DISCHARGE, WHEREBY THE CRYSTAL IS EXPOSED TO ELECTRICAL PUMPING ACTION BY RADIATION FROM THE PLASMA OF THE DISCHARGE.
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) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |