US3100261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
X-ray analyzing apparatus wherein two comparative detector channels have different absorption versus frequency characteristics
Assignee: General Electric Co
•
Filing: 1960-07-29
•
Granted: 1963-08-06
•
Expires: 1980-07-29
Abstract
No abstract record available.
Inventors
- 👤 Bigelow John Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:17
CPC Classifications
G; G01; G01N; G01N23/00; G01N23/02; G01N23/06; G01N23/083; G01N23/20; G01N23/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
X-RAY ANALYZING APPARATUS COMPRISING: A SOURCE OF POLYCHROMATIC X-RADIATION; A SAMPLE TO BE ANALYZED DISPOSED IN THE PATH OF SAID POLYCHROMATIC X-RADIATION; FIRST AND SECOND X-RADIATION TRANSMISSION CHANNELS EACH DISPOSED TO RECEIVE CHARACTERISTIC FLUORESCENT RADIATION FROM SAID SAMPLE; SAID FIRST AND SECOND CHANNELS EACH INCLUDING AN X-RAY FILTER AND AN ION CHAMBER DISPOSED IN SEQUENCE; SAID FILTERS HAVING DIFFERENT TRANSMISSION VS. FREQUENCY CHARACTERISTICS FROM EACH OTHER; SAID ION CHAMBERS HAVING DIFFERENT ABSORPTION VS. FREQUENCY CHARACTERISTICS FROM EACH OTHER; AND MEANS FOR COMBINING THE OUTPUTS OF SAID ION CHAMBERS.
Claim 2
Dependent Claim
88 words
X-RAY ANALYZING APPARATUS COMPRISING: A SOURCE OF POLYCHROMATIC X-RADIATION; A SAMPLE TO BE ANALYZED DISPOSED IN THE PATH OF SAID POLYCHROMATIC X-RADIATION; FIRST AND SECOND X-RADIATION TRANSMISSION CHANNELS EACH DISPOSED TO RECEIVE CHARACTERISTIC FLUORESCENT RADIATION FROM SAID SAMPLE; SAID FIRST AND SECOND CHANNELS EACH INCLUDING AN X-RAY FILTER AND AN ION CHAMBER DISPOSED IN SEQUENCE; SAID FILTERS HAVING DIFFERENT TRANSMISSION VS. FREQUENCY CHARACTERISTICS FROM EACH OTHER; SAID ION CHAMBERS HAVING DIFFERENT ABSORPTION VS. FREQUENCY CHARACTERISTICS FROM EACH OTHER; AND MEANS FOR COMBINING THE OUTPUTS OF SAID ION CHAMBERS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-05 | 1967-02-04 | 1967-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-05 | 1971-02-04 | 1971-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-05 | 1975-02-04 | 1975-08-06 | $7700.00 | Window Closed / Lapsed |