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US3101544A
Expired / Lapsed
US
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Dental saliva ejectors
Assignee: Individual
•
Filing: 1961-06-01
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Granted: 1963-08-27
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Expires: 1981-06-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert A Baughan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:09
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
A DENTAL SALIVA EJECTOR COMPRISING A SUCTION TUBE PORTION ENGAGEABLE WITHIN THE MOUTH AND HAVING A LOWER OPEN END, AN ENLARGED HOLLOW RIGID BALL ELEMENT SURROUNDING AND ENCLOSING THE LOWER TERMINAL PART OF THE SUCTION TUBE PORTION AND SECURED THERETO AND HAVING ITS BOTTOM SPACED SOMEWHAT BELOW SAID LOWER OPEN END AND HAVING A CIRCUMFERENTIAL ROW OF SPACED SUCTION ORIFICES FORMED THROUGH ITS SIDE WALL NEAR THE CENTER THEREOF, A SUCTION RELIEF TUBE ASSOCIATED WITH THE SUCTION TUBE PORTION AND HAVING AN OPEN END TERMINATING ABOVE THE TOP OF THE BALL ELEMENT AND SUBSTANTIALLY ABOVE THE LOWER OPEN END OF THE SUCTION TUBE PORTION, AND A PERFORATED UPWARDLY CONICALLY TAPERING RIGID SLEEVE SURROUNDING THE SUCTION TUBE PORTION AND SUCTION RELIEF TUBE AND BALL ELEMENT AND HAVING FLUID TIGHT ENGAGEMENT THEREWITH AND DEFINING A CHAMBER IN DIRECT COMMUNICATION WITH THE SUCTION RELIEF TUBE AND SAID SUCTION ORIFICES OF THE BALL ELEMENT.
Claim 2
Dependent Claim
150 words
A DENTAL SALIVA EJECTOR COMPRISING A SUCTION TUBE PORTION ENGAGEABLE WITHIN THE MOUTH AND HAVING A LOWER OPEN END, AN ENLARGED HOLLOW RIGID BALL ELEMENT SURROUNDING AND ENCLOSING THE LOWER TERMINAL PART OF THE SUCTION TUBE PORTION AND SECURED THERETO AND HAVING ITS BOTTOM SPACED SOMEWHAT BELOW SAID LOWER OPEN END AND HAVING A CIRCUMFERENTIAL ROW OF SPACED SUCTION ORIFICES FORMED THROUGH ITS SIDE WALL NEAR THE CENTER THEREOF, A SUCTION RELIEF TUBE ASSOCIATED WITH THE SUCTION TUBE PORTION AND HAVING AN OPEN END TERMINATING ABOVE THE TOP OF THE BALL ELEMENT AND SUBSTANTIALLY ABOVE THE LOWER OPEN END OF THE SUCTION TUBE PORTION, AND A PERFORATED UPWARDLY CONICALLY TAPERING RIGID SLEEVE SURROUNDING THE SUCTION TUBE PORTION AND SUCTION RELIEF TUBE AND BALL ELEMENT AND HAVING FLUID TIGHT ENGAGEMENT THEREWITH AND DEFINING A CHAMBER IN DIRECT COMMUNICATION WITH THE SUCTION RELIEF TUBE AND SAID SUCTION ORIFICES OF THE BALL ELEMENT.
References Cited (Backward Citations)
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Cited
US1345606A
Cited
US1583023A
Cited
US1698331A
Cited
GB456483A
Cited
US2522261A
Cited
US2504557A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-26 | 1967-02-25 | 1967-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-26 | 1971-02-25 | 1971-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-26 | 1975-02-25 | 1975-08-27 | $7700.00 | Window Closed / Lapsed |