Instrument for transmitting ultraviolet radiation to a limited area
Abstract
Abstract AN INSTRUMENT FOR TRANSMITTING ULTRAVIOLET RADIATION TO A LIMITED AREA WITHIN A CONFINED SPACE, SUCH AS A DENTAL INSTRUMENT FOR TREATING A LIMITED AREA WITHIN THE HUMAN MOUTH. THE INSTRUMENT IS HAND-HELD AND INCLUDES A SUPPORT ON WHICH A SOURCE OF ULTRAVIOLET LIGHT IS MOUNTED. AN ELONGATED LIGHT-DIRECTING STRUCTURE IS CARRIED BY THE SUPPORT AND EXTENDS FROM THE LIGHT SOURCE BEYOND THE SUPPORT SO AS TO HAVE A FREE END WHICH MAY BE PLACED IN THE MOUTH FOR DIRECTING THE LIGHT TO A LIMITED AREA FOR APPLYING ULTRAVIOLET ENERGY THERETO. A MANUALLY OPEABLE CONTROL IS PROVIDED TO BE MANIPULATED BY THE OPERATOR FOR CONTROLLING THE TRANSMISSION LIGHT AND THUS CONTROLLING THE APPLICATION OF ULTRAVIOLET ENERGY.
Inventors
- 👤 O Lienhard
Bibliographic Details
Claims Analysis
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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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |