US3361964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flaw detecting apparatus having a means for scanning the core of a cylindrical member
Assignee: RTX Corp
•
Filing: 1963-06-27
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Granted: 1968-01-02
•
Expires: 1983-06-27
Abstract
No abstract record available.
Inventors
- 👤 Merlyn L Hanson
- 👤 Ziermann Hermann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:56
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/02; G01N27/22; G01N27/24; G01N27/72; G01N27/82; G01N27/90; G01N27/9006
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
NON-DESTRUCTIVE TESTING APPARATUS FOR DETERMINING THE PRESENCE AND LOCATION OF FLAWS IN A SOLID ROCKET PROPELLANT, SAID ROCKET PROPELLANT INCLUDING A PROPELLANT MATERIAL HAVING A HOLLOW CORE ALONG ITS LONGITUDINAL AXIS, COMPRISING: A CONDUCTIVE CASE SURROUNDING AT LEAST A PORTION OF THE OUTSIDE PERIMETER OF SAID PROPELLANT, A CONDUCTOR PLATE POSITIONED ADJACENT THE INSIDE CIRCUMFERENCE OF SAID PROPELLANT MATERIAL WITHIN SAID HOLLOW CORE AND EXTENDING LATERALLY ABOUT A PORTION OF SAID INSIDE CIRCUMFERENCE, A DETECTOR COMPOSED OF CONDUCTING MATERIAL POSITIONED UPON SAID CONDUCTOR PLATE, SAID DETECTOR BEING ELECTRICALLY INSULATED FROM SAID CONDUCTOR PLATE, A SOURCE OF ALTERNATING VOLTAGE HAVING TWO TERMINALS,
Claim 2
Dependent Claim
101 words
NON-DESTRUCTIVE TESTING APPARATUS FOR DETERMINING THE PRESENCE AND LOCATION OF FLAWS IN A SOLID ROCKET PROPELLANT, SAID ROCKET PROPELLANT INCLUDING A PROPELLANT MATERIAL HAVING A HOLLOW CORE ALONG ITS LONGITUDINAL AXIS, COMPRISING: A CONDUCTIVE CASE SURROUNDING AT LEAST A PORTION OF THE OUTSIDE PERIMETER OF SAID PROPELLANT, A CONDUCTOR PLATE POSITIONED ADJACENT THE INSIDE CIRCUMFERENCE OF SAID PROPELLANT MATERIAL WITHIN SAID HOLLOW CORE AND EXTENDING LATERALLY ABOUT A PORTION OF SAID INSIDE CIRCUMFERENCE, A DETECTOR COMPOSED OF CONDUCTING MATERIAL POSITIONED UPON SAID CONDUCTOR PLATE, SAID DETECTOR BEING ELECTRICALLY INSULATED FROM SAID CONDUCTOR PLATE, A SOURCE OF ALTERNATING VOLTAGE HAVING TWO TERMINALS,
References Cited (Backward Citations)
US2133725A
Cited
FR886731A
Cited
GB648981A
Cited
GB631988A
Cited
US2583546A
Cited
US2772393A
Cited
US3048775A
Cited
US3221248A
Cited
US3170114A
Cited
US3152302A
Cited
US8849675B1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-01-01 | 1971-07-03 | 1972-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-01 | 1975-07-03 | 1976-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-01 | 1979-07-03 | 1980-01-02 | $7700.00 | Window Closed / Lapsed |