US3091859A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental saliva ejectors
Assignee: Individual
•
Filing: 1961-07-19
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Granted: 1963-06-04
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Expires: 1981-07-19
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Baughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:55
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A DENTAL SALIVA EJECTOR COMPRISING A MAIN SUCTION TUBE ADAPTED FOR CONNECTION WITH A SOURCE OF VACUUM, SAID MAIN SUCTION TUBE HAVING A HOOK-LIKE PORTION ENGAGEABLE OVER THE LOWER INCISOR TEETH AND INCLUDING AN ARCUATE TUBE EXTENSION AT THE TERMINAL END OF SAID HOOKLIKE PORTION, SAID ARCUTE TUBE EXTENSION HAVING CLOSED ENDS AND ADAPTED TO REST ON THE FLOOR OF THE MOUTH ON THE LINGUAL SIDE OF THE LOWER GUM DURING USE, PORTIONS OF SAID ARCUATE TUBE EXTENSION DEFINING SPACED SUCTION ORIFICES INWARDLY OF THE CLOSED ENDS THEREOF, A SUCTION RELIEF TUBE FIXED ON SAID MAIN SUCTION TUBE AND SAID ARCUATE TUBE EXTENSION IN GENERALLY SUPERPOSED RELATION THERETO, SAID SUCTION RELIEF TUBE TERMINATING AT ONE END OUTWARDLY OF THE MOUTH WHEN THE EJECTOR IS IN AN OPERATIVE POSITION AND AT THE OPPOSITE END ADJACENT THE ENDS OF SAID ARCUATE
Claim 2
Dependent Claim
139 words
A DENTAL SALIVA EJECTOR COMPRISING A MAIN SUCTION TUBE ADAPTED FOR CONNECTION WITH A SOURCE OF VACUUM, SAID MAIN SUCTION TUBE HAVING A HOOK-LIKE PORTION ENGAGEABLE OVER THE LOWER INCISOR TEETH AND INCLUDING AN ARCUATE TUBE EXTENSION AT THE TERMINAL END OF SAID HOOKLIKE PORTION, SAID ARCUTE TUBE EXTENSION HAVING CLOSED ENDS AND ADAPTED TO REST ON THE FLOOR OF THE MOUTH ON THE LINGUAL SIDE OF THE LOWER GUM DURING USE, PORTIONS OF SAID ARCUATE TUBE EXTENSION DEFINING SPACED SUCTION ORIFICES INWARDLY OF THE CLOSED ENDS THEREOF, A SUCTION RELIEF TUBE FIXED ON SAID MAIN SUCTION TUBE AND SAID ARCUATE TUBE EXTENSION IN GENERALLY SUPERPOSED RELATION THERETO, SAID SUCTION RELIEF TUBE TERMINATING AT ONE END OUTWARDLY OF THE MOUTH WHEN THE EJECTOR IS IN AN OPERATIVE POSITION AND AT THE OPPOSITE END ADJACENT THE ENDS OF SAID ARCUATE
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-03 | 1966-12-03 | 1967-06-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-03 | 1970-12-03 | 1971-06-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-03 | 1974-12-03 | 1975-06-04 | $7700.00 | Window Closed / Lapsed |