US3102957A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-secondary radiation dental x-ray cone
Assignee: General Electric Co
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Filing: 1961-03-20
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Granted: 1963-09-03
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Expires: 1981-03-20
Abstract
No abstract record available.
Inventors
- 👤 Dudley B Slauson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:09
CPC Classifications
A; A61; A61B; A61B6/00; A61B6/10; A61B6/107; A61B6/50; A61B6/51; G; G21; G21K; G21K1/00; G21K1/02; G21K1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
AN ANTI-SECONDARY RADIATION DENTAL X-RAY CONE ASSEMBLY COMPRISING A COLLIMATOR MEANS INCLUDING AN APERTURE DEFINING A CONICAL BEAM OF X-RADIATION, AN ELONGATE HOLLOW CYLINDER MEANS HAVING A WALL COAXIAL WITH AND EXTENDING AWAY FROM THE COLLIMATOR MEANS TOWARD AN OBJECT BEING RADIOGRAPHED, SAID CONICAL BEAM DIVERGING TO NEARLY THE INTERIOR SIZE OF SAID CYLINDER, AN END ON SAID CYLINDER FOR PROXIMATING THE OBJECT, SAID END BEING DEFINED BY CUTTING PLANES DEVELOPING SUBSTANTIALLY OPPOSED POINTS AND SIDE OPENINGS IN SAID CYLINDER WALL.
Claim 2
Dependent Claim
81 words
AN ANTI-SECONDARY RADIATION DENTAL X-RAY CONE ASSEMBLY COMPRISING A COLLIMATOR MEANS INCLUDING AN APERTURE DEFINING A CONICAL BEAM OF X-RADIATION, AN ELONGATE HOLLOW CYLINDER MEANS HAVING A WALL COAXIAL WITH AND EXTENDING AWAY FROM THE COLLIMATOR MEANS TOWARD AN OBJECT BEING RADIOGRAPHED, SAID CONICAL BEAM DIVERGING TO NEARLY THE INTERIOR SIZE OF SAID CYLINDER, AN END ON SAID CYLINDER FOR PROXIMATING THE OBJECT, SAID END BEING DEFINED BY CUTTING PLANES DEVELOPING SUBSTANTIALLY OPPOSED POINTS AND SIDE OPENINGS IN SAID CYLINDER WALL.
References Cited (Backward Citations)
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Cited
US1568085A
Cited
US2436279A
Cited
US2474422A
Cited
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Cited
US2831978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-02 | 1967-03-04 | 1967-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-02 | 1971-03-04 | 1971-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-02 | 1975-03-04 | 1975-09-03 | $7700.00 | Window Closed / Lapsed |