US3115030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibration system
Assignee: Barnes Engineering Co
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Filing: 1961-12-04
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Granted: 1963-12-24
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Expires: 1981-12-04
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Mchenry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:17
CPC Classifications
G; G02; G02B; G02B23/00; G02B23/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
A CALIBRATION SYSTEM COMPRISING IN COMBINATION AND IN OPTICAL ALIGNMENT. (A) A DOME SHAPED WINDOW CONVEX ON THE OUTSIDE AND CONCAVE ON THE INSIDE AND HAVING A LOW SPECULAR REFLECTION SURFACE ON THE INSIDE, (B) AT LEAST ONE INSTRUMENT HAVING AT LEAST ONE RADIATION DETECTOR POSITIONED ON THE CONCAVE SIDE OF THE WINDOW TO RECEIVE RADIATION THERETHROUGH, AND (C) A CALIBRATION RADIATION SOURCE LOCATED AT THE FOCUS OF THE INNER SURFACE OF THE WINDOW.
Claim 2
Dependent Claim
74 words
A CALIBRATION SYSTEM COMPRISING IN COMBINATION AND IN OPTICAL ALIGNMENT. (A) A DOME SHAPED WINDOW CONVEX ON THE OUTSIDE AND CONCAVE ON THE INSIDE AND HAVING A LOW SPECULAR REFLECTION SURFACE ON THE INSIDE, (B) AT LEAST ONE INSTRUMENT HAVING AT LEAST ONE RADIATION DETECTOR POSITIONED ON THE CONCAVE SIDE OF THE WINDOW TO RECEIVE RADIATION THERETHROUGH, AND (C) A CALIBRATION RADIATION SOURCE LOCATED AT THE FOCUS OF THE INNER SURFACE OF THE WINDOW.
References Cited (Backward Citations)
US2947876A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-23 | 1967-06-24 | 1967-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-23 | 1971-06-24 | 1971-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-23 | 1975-06-24 | 1975-12-24 | $7700.00 | Window Closed / Lapsed |