US3091034A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental mirror
Assignee: Individual
•
Filing: 1961-01-16
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Granted: 1963-05-28
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Expires: 1981-01-16
Abstract
No abstract record available.
Inventors
- 👤 Vincent J Piscitelli
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:48
CPC Classifications
A; A61; A61B; A61B1/00; A61B1/24; A61B1/247; A61B1/253
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
IN A DENTAL MIRROR, A NOZZLE RECEIVING AIR FROM A SOURCE AT INCREASED PRESSURE HAVING AN INLET AT ONE END THEREOF AND A PLURALITY OF OUTLET PASSAGES DIVERGING FROM SAID INLET, A MIRROR ON SAID NOZZLE IN PARALLEL RELATIONSHIP WITH SAID OUTLET PASSAGES, SAID OUTLET PASSAGES BEING DISPOSED TO PROJECT A FAN-SHAPED AIR CURTAIN OVER SAID MIRROR AND IN PROXIMATELY SPACED RELATIONSHIP TO SAID MIRROR AND CONDUIT MEANS EXTENDING BENEATH THE MIRROR INTO PROXIMATELY SPACED RELATION TO THE ENDS OF SAID OUTLET PASSAGES SUCH AS TO CONDUCT AIR FROM BENEATH THE MIRROR BY A VACUUM CREATED BY SAID AIR CURTAIN.
Claim 2
Dependent Claim
100 words
IN A DENTAL MIRROR, A NOZZLE RECEIVING AIR FROM A SOURCE AT INCREASED PRESSURE HAVING AN INLET AT ONE END THEREOF AND A PLURALITY OF OUTLET PASSAGES DIVERGING FROM SAID INLET, A MIRROR ON SAID NOZZLE IN PARALLEL RELATIONSHIP WITH SAID OUTLET PASSAGES, SAID OUTLET PASSAGES BEING DISPOSED TO PROJECT A FAN-SHAPED AIR CURTAIN OVER SAID MIRROR AND IN PROXIMATELY SPACED RELATIONSHIP TO SAID MIRROR AND CONDUIT MEANS EXTENDING BENEATH THE MIRROR INTO PROXIMATELY SPACED RELATION TO THE ENDS OF SAID OUTLET PASSAGES SUCH AS TO CONDUCT AIR FROM BENEATH THE MIRROR BY A VACUUM CREATED BY SAID AIR CURTAIN.
References Cited (Backward Citations)
US1925981A
Cited
US2907110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |