US3148449A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tongue guard for dental appliances
Assignee: Individual
•
Filing: 1960-10-14
•
Granted: 1964-09-15
•
Expires: 1980-10-14
Abstract
No abstract record available.
Inventors
- 👤 Louis R Van Lanigan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:07
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
THE COMBINATION OF A SUCTION DEVICE AND A TONGUE DEPRESSOR AND GUARD COMPRISING A RIGID SUCTION TUBE ADAPTED TO EXTEND OVER THE LOWER TEETH WITH A PAIR OF DIVERGING STEM INTERIOR OF THE TEETH AND EXTENDING TO OPPOSITE SIDES OF THE MOUTH AND A PAIR OF DIVERGING STEMS EXTERIOR OF THE TEETH AND EXTENDING TO OPPOSITE SIDES OF THE MOUTH; FLEXIBLE TUBULAR EXTENSIONS SLIDABLY SUPPORTED ON THE STEMS; A PLATE SUPPORT HAVING A PORTION THEREOF DISPOSED ABOVE THE RIGID SUCTION TUBE WITH ONE END TERMINATING BETWEEN THE INTERIOR AND EXTERIOR PAIRS OF STEMS AND HAVING A TRANSVERSE HINGE THEREON, SAID PLATE SUPPORT EXTENDING FROM THE END TO A PLATE PORTION ADAPTED TO BE LOCATED INTERIOR OF THE MOUTH AND DISPOSED OVER THE TONGUE; AN ABUTMENT DEPENDING FROM THE UNDERSIDE OF THE PLATE SUPPORT INTERIORLY OF SAID ADJACENT THE INTERIOR PAIR OF STEMS, SAID ABUTMENT HAVING A LATERAL FLANGE DISPOSED BENEATH THE LATTER PAIR OF STEMS; A USHAPED ELEMENT COMPOSED OF SPRING STEEL HAVING A BIGHT PORTION SUPPORT ON SAID TRANSVERSE HINGE AND HAVING
Claim 2
Dependent Claim
173 words
THE COMBINATION OF A SUCTION DEVICE AND A TONGUE DEPRESSOR AND GUARD COMPRISING A RIGID SUCTION TUBE ADAPTED TO EXTEND OVER THE LOWER TEETH WITH A PAIR OF DIVERGING STEM INTERIOR OF THE TEETH AND EXTENDING TO OPPOSITE SIDES OF THE MOUTH AND A PAIR OF DIVERGING STEMS EXTERIOR OF THE TEETH AND EXTENDING TO OPPOSITE SIDES OF THE MOUTH; FLEXIBLE TUBULAR EXTENSIONS SLIDABLY SUPPORTED ON THE STEMS; A PLATE SUPPORT HAVING A PORTION THEREOF DISPOSED ABOVE THE RIGID SUCTION TUBE WITH ONE END TERMINATING BETWEEN THE INTERIOR AND EXTERIOR PAIRS OF STEMS AND HAVING A TRANSVERSE HINGE THEREON, SAID PLATE SUPPORT EXTENDING FROM THE END TO A PLATE PORTION ADAPTED TO BE LOCATED INTERIOR OF THE MOUTH AND DISPOSED OVER THE TONGUE; AN ABUTMENT DEPENDING FROM THE UNDERSIDE OF THE PLATE SUPPORT INTERIORLY OF SAID ADJACENT THE INTERIOR PAIR OF STEMS, SAID ABUTMENT HAVING A LATERAL FLANGE DISPOSED BENEATH THE LATTER PAIR OF STEMS; A USHAPED ELEMENT COMPOSED OF SPRING STEEL HAVING A BIGHT PORTION SUPPORT ON SAID TRANSVERSE HINGE AND HAVING
References Cited (Backward Citations)
DE342059C
Cited
US2765785A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-15 | 1968-03-16 | 1968-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-15 | 1972-03-16 | 1972-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-15 | 1976-03-16 | 1976-09-15 | $7700.00 | Window Closed / Lapsed |