US3236090A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Calibrating device for radiation gauge
Assignee: Brown and Williamson Holdings Inc
•
Filing: 1963-07-09
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Granted: 1966-02-22
•
Expires: 1983-07-09
Abstract
No abstract record available.
Inventors
- 👤 Jr William P Neal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 00:45
CPC Classifications
A; A24; A24C; A24C5/00; A24C5/32; A24C5/34; A24C5/3412
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A DEVICE FOR CALIBRATING A GAUGE IN WHICH RADIATIOIN PASSING THROUGH AN OBJECT FROM A SOURCE OF RADIATION IS MEASURED TO DETERMINE THE DENSITY OF THE OBJECT, THE DEVICE COMPRISING A HOLLOW TUBE OF RADIATION-PERMEABLE MATERIAL, THE INTERIOR BORE OF THE TUBE BEING TAPERED TO PROVIDE TUBE WALLS OF AXIALLY VARYING DENSITY AND THE EXTERIOR OF THE TUBE BEING PROVIDED WITH AT LEAST ONE LONGITUDINALLY EXTENDING FLATTENED SURFACE, AXIAL CENTERING MEANS FOR POSITIONING THE AXIS OF THE TUBE IN A PREDETERMINED POSITION IN THE GAUGE WITH THE TUBE AXIS NORMAL TO THE FLOW OF RADIATION IN THE GAUGE, LONGITUDINAL POSITIONING MEANS FOR MOVING THE TUBE ALONG SAID PREDETERMINED AXIAL POSITION, AND ROTATING MEANS FOR ROTATING THE TUBE ABOUT ITS AXIS AT A PREDETERMINED SPEED.
Claim 2
Independent Claim
124 words
A DEVICE FOR CALIBRATING A GAUGE IN WHICH RADIATIOIN PASSING THROUGH AN OBJECT FROM A SOURCE OF RADIATION IS MEASURED TO DETERMINE THE DENSITY OF THE OBJECT, THE DEVICE COMPRISING A HOLLOW TUBE OF RADIATION-PERMEABLE MATERIAL, THE INTERIOR BORE OF THE TUBE BEING TAPERED TO PROVIDE TUBE WALLS OF AXIALLY VARYING DENSITY AND THE EXTERIOR OF THE TUBE BEING PROVIDED WITH AT LEAST ONE LONGITUDINALLY EXTENDING FLATTENED SURFACE, AXIAL CENTERING MEANS FOR POSITIONING THE AXIS OF THE TUBE IN A PREDETERMINED POSITION IN THE GAUGE WITH THE TUBE AXIS NORMAL TO THE FLOW OF RADIATION IN THE GAUGE, LONGITUDINAL POSITIONING MEANS FOR MOVING THE TUBE ALONG SAID PREDETERMINED AXIAL POSITION, AND ROTATING MEANS FOR ROTATING THE TUBE ABOUT ITS AXIS AT A PREDETERMINED SPEED.
References Cited (Backward Citations)
US3049621A
Cited
US3088027A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |