US3743835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laser image and power level detector having thermographic phosphor
Assignee: United States Department of the Navy
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Filing: 1972-03-23
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Granted: 1973-07-03
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Expires: 1992-03-23
Abstract
Abstract This disclosure is directed to the use of a thermographic phosphor for the power level detection of a laser as well as displaying an image of the laser beam.
Inventors
- 👤 R Koncen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:24
CPC Classifications
H; H01; H01S; H01S3/00; H01S3/0014
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
24 words
A detector system as claimed in claim 1; which includes, an amplifier for amplifying the output of said photodetectors directed to said indicating meter.
References Cited (Backward Citations)
US2161644A
Cited
US2705758A
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US2995660A
Cited
US3459945A
Cited
US3501638A
Cited
US3659102A
Cited
US3676677A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-02 | 1977-01-01 | 1977-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-02 | 1981-01-01 | 1981-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-02 | 1985-01-01 | 1985-07-03 | $7700.00 | Window Closed / Lapsed |