Patent US3339073A successfully refreshed from Google Patents.
US3339073A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic laser modulator with mode suppression produced by external modulation
Assignee: International Business Machines Corp
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Filing: 1962-12-31
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Granted: 1967-08-29
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Expires: 1982-12-31
Abstract
No abstract record available.
Inventors
- 👤 Lloyd P Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:09
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/10; H01S3/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A LASER FOR PRODUCING FREQUENCY-MODULATED COHERENT LIGHT IN A GIVEN FREQUENCY RANGE OF THE ELECTROMAGNETIC WAVE SPECTRUM COMPRISING AN ACTIVE ELEMENT CAPABLE OF PRODUCING COHERENT RADIATION BY STIMULATED EMISSION, MEANS FOR PRODUCING EMISSION FROM SAID ACTIVE ELEMENT, MEANS FOR RECEIVING THE STIMULATED COHERENT RADIATION, SAID MEANS RETURNING A PORTION OF THE COHERENT RADIATION TO THE ACTIVE ELEMENT AND TRANSMITTING A POR-
Claim 2
Dependent Claim
61 words
A LASER FOR PRODUCING FREQUENCY-MODULATED COHERENT LIGHT IN A GIVEN FREQUENCY RANGE OF THE ELECTROMAGNETIC WAVE SPECTRUM COMPRISING AN ACTIVE ELEMENT CAPABLE OF PRODUCING COHERENT RADIATION BY STIMULATED EMISSION, MEANS FOR PRODUCING EMISSION FROM SAID ACTIVE ELEMENT, MEANS FOR RECEIVING THE STIMULATED COHERENT RADIATION, SAID MEANS RETURNING A PORTION OF THE COHERENT RADIATION TO THE ACTIVE ELEMENT AND TRANSMITTING A POR-
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) | 1970-08-28 | 1971-02-27 | 1971-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-28 | 1975-02-27 | 1975-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-28 | 1979-02-27 | 1979-08-29 | $7700.00 | Window Closed / Lapsed |