US2732503A
Expired / Lapsed
US
⏱️ 0.0 years remaining
jacobs
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 08:42
CPC Classifications
B; B07; B07C; B07C5/00; B07C5/34; B07C5/3416; G; G01; G01F; G01F23/00; G01F23/22; G01F23/28; G01F23/284; G01F23/288; G01F23/2885
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
INSPECTION APPARATUS COMPRISING A SOURCE OF X-RAYS OF CYCLICALLY PULSATING INTENSITY, A RAY SENSITIVE SEMICONDUCTOR ELEMENT DISPOSED IN POSITION TO RECEIVE A RAY FROM SAID SOURCE THROUGH A CONTAINER, AND MEANS TO MEASURED THE ALTERNATING CURENT IMPEDANCE OF SAID SEMICONDUCTOR ELEMENT, AS DISTINGUISHED FROM THE DIRECT CURRENT RESISTANCE THEREOF, WHEREBY TO DETERMINE THE PRESENCE OR ABSENCE OF CONTAINER CONTENTS AT THE LEVEL OF PENETRATION OF THE RAY THERETHROUGH.
Claim 2
Dependent Claim
68 words
INSPECTION APPARATUS COMPRISING A SOURCE OF X-RAYS OF CYCLICALLY PULSATING INTENSITY, A RAY SENSITIVE SEMICONDUCTOR ELEMENT DISPOSED IN POSITION TO RECEIVE A RAY FROM SAID SOURCE THROUGH A CONTAINER, AND MEANS TO MEASURED THE ALTERNATING CURENT IMPEDANCE OF SAID SEMICONDUCTOR ELEMENT, AS DISTINGUISHED FROM THE DIRECT CURRENT RESISTANCE THEREOF, WHEREBY TO DETERMINE THE PRESENCE OR ABSENCE OF CONTAINER CONTENTS AT THE LEVEL OF PENETRATION OF THE RAY THERETHROUGH.
References Cited (Backward Citations)
US2179859A
Cited
US2183884A
Cited
US2301251A
Cited
US2316540A
Cited
US2543039A
Cited
US2604596A
Cited
US2532644A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |