US2748290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Measurement of wall thickness
Assignee: ExxonMobil Oil Corp
•
Filing: 1951-05-31
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Granted: 1956-05-29
•
Expires: 1971-05-31
Abstract
No abstract record available.
Inventors
- 👤 Paul P Reichertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:37
CPC Classifications
G; G01; G01B; G01B15/00; G01B15/02; G01B15/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
APPARATUS FOR USE IN MEASURING THE THICKNESS OF A WALL COMPRISING IN COMBINATION A BASE, AN ARM SUPPORT ATTACHED TO SAID BASE, A TELESCOPIC ARM ATTACHED TO SAID SUPPORT, A SOURCE OF PENETRATIVE RADIATION MOUNTED AT ONE END OF SAID ARM, A DETECTOR FOR SAID PENETRATIVE RADIATION MOUNTED AT THE OTHER END OF SAID ARM, AND MEANS FOR ROTATING SAID ARM THROUGH A MEASURABLE ANGEL IN THE PLANE OF A STRAIGHT LINE BETWEEN SAID SOURCE OF PENETRATIVE RADIATION AND SAID DETECTOR FOR SAID PENETRATIVE RADIATION.
Claim 2
Dependent Claim
85 words
APPARATUS FOR USE IN MEASURING THE THICKNESS OF A WALL COMPRISING IN COMBINATION A BASE, AN ARM SUPPORT ATTACHED TO SAID BASE, A TELESCOPIC ARM ATTACHED TO SAID SUPPORT, A SOURCE OF PENETRATIVE RADIATION MOUNTED AT ONE END OF SAID ARM, A DETECTOR FOR SAID PENETRATIVE RADIATION MOUNTED AT THE OTHER END OF SAID ARM, AND MEANS FOR ROTATING SAID ARM THROUGH A MEASURABLE ANGEL IN THE PLANE OF A STRAIGHT LINE BETWEEN SAID SOURCE OF PENETRATIVE RADIATION AND SAID DETECTOR FOR SAID PENETRATIVE RADIATION.
References Cited (Backward Citations)
US2370163A
Cited
US2349429A
Cited
US2462088A
Cited
US2536131A
Cited
US2501174A
Cited
US2486902A
Cited
US2540261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-05-29 | 1959-11-28 | 1960-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-05-29 | 1963-11-28 | 1964-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-05-29 | 1967-11-28 | 1968-05-29 | $7700.00 | Window Closed / Lapsed |