US3309274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Use of fluorescent dyes in dental diagnostic methods
Assignee: Individual
•
Filing: 1962-07-23
•
Granted: 1967-03-14
•
Expires: 1982-07-23
Abstract
No abstract record available.
Inventors
- 👤 Brilliant Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 09:43
CPC Classifications
A; A61; A61B; A61B10/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/466; A61K8/49; A61K8/4973; A61K8/498; A61Q; A61Q11/00; G; G01; G01N; G01N31/00; G01N31/22; A61K2800/00; A61K2800/40; A61K2800/42; A61K2800/43; A61K2800/434; Y; Y10; Y10S; Y10S273/00; Y10S273/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
A METHOD OF MAKING VISIBLE TO THE NAKED EYE THE PRESENCE OF DISEASE-CAUSING FOREIGN MATTER IN THE ORAL CAVITY OF A LIVING HUMAN BEING, COMPRISING, APPLYING A COMPOSITION CONTAINING A NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE FLUORESCENT DYE TO THE AREAS SUSPECTED OF HAVING DISEASE-CAUSING FOREIGN MATTER AND TO THE AREAS ADJACENT THERETO HAVING RELATIVELY NO SUCH FOREIGN MATTER, AND BATHING BOTH AREAS IN LIGHT WHOSE WAVE LENGHT HAS A FREQUENCY WITHIN THE RANGE OF BETWEEN ABOUT 3000 AND 5200 ANGSTROM UNITS, WHEREBY THE TWO AREAS ARE SHARPLY DELINEATED AS THE ONE OF SAID AREAS WHICH CONTAINS THE FOREIGN MATTER IS CAUSED TO GLOW WITH THE COLOR OF THE FLUORESCENT DYE WHILE THE OTHER REMAINS SUBSTANTIALLY UN-ILLUMINATED.
Claim 2
Independent Claim
114 words
A METHOD OF MAKING VISIBLE TO THE NAKED EYE THE PRESENCE OF DISEASE-CAUSING FOREIGN MATTER IN THE ORAL CAVITY OF A LIVING HUMAN BEING, COMPRISING, APPLYING A COMPOSITION CONTAINING A NON-TOXIC, PHARMACEUTICALLY ACCEPTABLE FLUORESCENT DYE TO THE AREAS SUSPECTED OF HAVING DISEASE-CAUSING FOREIGN MATTER AND TO THE AREAS ADJACENT THERETO HAVING RELATIVELY NO SUCH FOREIGN MATTER, AND BATHING BOTH AREAS IN LIGHT WHOSE WAVE LENGHT HAS A FREQUENCY WITHIN THE RANGE OF BETWEEN ABOUT 3000 AND 5200 ANGSTROM UNITS, WHEREBY THE TWO AREAS ARE SHARPLY DELINEATED AS THE ONE OF SAID AREAS WHICH CONTAINS THE FOREIGN MATTER IS CAUSED TO GLOW WITH THE COLOR OF THE FLUORESCENT DYE WHILE THE OTHER REMAINS SUBSTANTIALLY UN-ILLUMINATED.
References Cited (Backward Citations)
CA500625A
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CA564444A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |