US2735018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mclachlan
Assignee: —
•
Filing: —
•
Granted: 1956-02-14
•
Expires: 1973-02-14
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:56
CPC Classifications
G; G21; G21K; G21K7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
AS A NEW ARTICLE OF MANUFACTURE USEFUL FOR THE PRODUCTION OF ENLARGED IMAGES BY MEANS OF X-RAY DIFFRACTION, IN COMBINATION, AN X-RAY TUBE CHARACTERIZED BY A TARGET WHICH FUNCITONS BOTH AS A SOURCE OF X-RAYS AND AS A WINDOW FOR X-RAY TRANSMISSION; PLANAR CONCENTRIC DISCS ARRANGED TO FORM AT LEAST ONE ANNULAR RING BETWEEN THE CIRCUMFERENCE OF THE INTERNAL DISC AND THE INNER EDGE OF THE EXTERNAL DISCS; SAID CONCENTRIC DISCS BEING SO POSITIONED IN A PLANE PARALLEL TO THE SURFACE OF SAID TARGET THAT X-RAYS EMERGING PERPENDICULARLY TO THE SURFACE OF SAID TARGET AT ITS CENTER PASS THROUGH THE CENTER OF SAID CONCENTRIC DISCS; A CIRCLE OF WIRE POSITIONED SYMMETRICALLY IN THE ANNULAR RING BETWEEN SAID CONCENTRIC DISCS; SAID CIRCLE BEING OF SUCH RADIUS THAT WHEN AN OBJECT IS PLACED ADJACENT TO THE EXTERNAL SURFACE OF SAID TARGET AN ENLARGED IMAGE OF SAID OBJECT IS FORMED.
Claim 2
Dependent Claim
147 words
AS A NEW ARTICLE OF MANUFACTURE USEFUL FOR THE PRODUCTION OF ENLARGED IMAGES BY MEANS OF X-RAY DIFFRACTION, IN COMBINATION, AN X-RAY TUBE CHARACTERIZED BY A TARGET WHICH FUNCITONS BOTH AS A SOURCE OF X-RAYS AND AS A WINDOW FOR X-RAY TRANSMISSION; PLANAR CONCENTRIC DISCS ARRANGED TO FORM AT LEAST ONE ANNULAR RING BETWEEN THE CIRCUMFERENCE OF THE INTERNAL DISC AND THE INNER EDGE OF THE EXTERNAL DISCS; SAID CONCENTRIC DISCS BEING SO POSITIONED IN A PLANE PARALLEL TO THE SURFACE OF SAID TARGET THAT X-RAYS EMERGING PERPENDICULARLY TO THE SURFACE OF SAID TARGET AT ITS CENTER PASS THROUGH THE CENTER OF SAID CONCENTRIC DISCS; A CIRCLE OF WIRE POSITIONED SYMMETRICALLY IN THE ANNULAR RING BETWEEN SAID CONCENTRIC DISCS; SAID CIRCLE BEING OF SUCH RADIUS THAT WHEN AN OBJECT IS PLACED ADJACENT TO THE EXTERNAL SURFACE OF SAID TARGET AN ENLARGED IMAGE OF SAID OBJECT IS FORMED.
References Cited (Backward Citations)
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US2168780A
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US1993058A
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US2500948A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-02-13 | 1959-08-15 | 1960-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-02-13 | 1963-08-15 | 1964-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-02-13 | 1967-08-15 | 1968-02-14 | $7700.00 | Window Closed / Lapsed |