Patent US3396468A successfully refreshed from Google Patents.
US3396468A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental appliance
Assignee: DONALD G DAYHOFF
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Filing: 1966-05-18
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Granted: 1968-08-13
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Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Donald G Dayhoff
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:19
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/80; A61C5/82; A61C17/00; A61C17/06; A61C17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A DENTAL APPLIANCE, COMPRISING FLEXIBLE FIRST AND SECOND GENERALLY U-SHAPED TUBULAR MEMBERS ADAPTED TO LIE, RESPECTIVELY, BUCCALLY ALONG A PATIENT''S MANDIBULAR AND MAXILLARY ARCHES AND LINGUALLY AND PALATALLY ALONG SAID MANDIBULAR AND MAXILLARY ARCHES, SAID FIRST AND SECOND MEMBERS HAVING PLURALITIES OF OPENINGS FORMED THEREIN, A THIRD TUBULAR MEMBER INTERCONNECTING SAID FIRST AND SECOND MEMBERS INTERMEDIATE THEIR LENGTHS, MEANS FOR CONNECTING SAID FIRST AND SECOND MEMBERS TO A VACUUM SOURCE, PLURALITIES OF PROJECTIONS ON SAID FIRST AND SECOND MEMBERS, AND A FLEXIBLE SHEET HAVING OPENINGS FORMED THEREIN FOR RECEPTION OVER SAID PROJECTIONS WHEREBY SAID SHEET CAN EXTEND OVER THE TEETH IN THE MANDIBULAR AND MAXILLARY ARCHES AND LINGUALLY AND PALATALLY BRIDGE THE SPACE BETWEEN SAID ARCHES.
Claim 2
Dependent Claim
116 words
A DENTAL APPLIANCE, COMPRISING FLEXIBLE FIRST AND SECOND GENERALLY U-SHAPED TUBULAR MEMBERS ADAPTED TO LIE, RESPECTIVELY, BUCCALLY ALONG A PATIENT''S MANDIBULAR AND MAXILLARY ARCHES AND LINGUALLY AND PALATALLY ALONG SAID MANDIBULAR AND MAXILLARY ARCHES, SAID FIRST AND SECOND MEMBERS HAVING PLURALITIES OF OPENINGS FORMED THEREIN, A THIRD TUBULAR MEMBER INTERCONNECTING SAID FIRST AND SECOND MEMBERS INTERMEDIATE THEIR LENGTHS, MEANS FOR CONNECTING SAID FIRST AND SECOND MEMBERS TO A VACUUM SOURCE, PLURALITIES OF PROJECTIONS ON SAID FIRST AND SECOND MEMBERS, AND A FLEXIBLE SHEET HAVING OPENINGS FORMED THEREIN FOR RECEPTION OVER SAID PROJECTIONS WHEREBY SAID SHEET CAN EXTEND OVER THE TEETH IN THE MANDIBULAR AND MAXILLARY ARCHES AND LINGUALLY AND PALATALLY BRIDGE THE SPACE BETWEEN SAID ARCHES.
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) | 1971-08-13 | 1972-02-12 | 1972-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-13 | 1976-02-12 | 1976-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-13 | 1980-02-12 | 1980-08-13 | $7700.00 | Window Closed / Lapsed |