US3385291A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental device
Assignee: LEONARD G MARTIN
•
Filing: 1965-12-20
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Granted: 1968-05-28
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Expires: 1985-12-20
Abstract
No abstract record available.
Inventors
- 👤 Leonard G Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:50
CPC Classifications
A; A61; A61C; A61C7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
108 words
A DENTAL DEVICE FOR TEETH AND GUMS COMPRISING, AN UPPER CHANNEL SHAPED TO PARTLY SURROUND THE TEETH IN AN UPPER JAW, A LOWER CHANNEL SHAPED TO PARTLY SURROUND THE TEETH IN A CORRESPONDING LOW JAW, SAID CHANNELS MADE OF SUBSTANTIALLY RIGID MATERIAL AND JOINED TO EACH OTHER AT THEIR ENDS, SAID CHANNELS HAVING CUT-OUT SLOTS IN THEIR HORIZONTAL PORTIONS, A LAMINAR SHEET POSITIONED ADJOINING SAID SLOTS FOR RECEIVING THE IMPRESSIONS OF A SET OF TEETH, AND A MOLDABLE RESILIENT MATERIAL PARTIALLY FILLING THE UPPER AND LOWER CHANNELS, SAID RESILIENT MATERIAL IN THE CHANNELS ADAPTED TO RECEIVE AND RETAIN THE IMPRESSIONS OF A SET OF TEETH AND ADJOINING GUMS.
Claim 2
Dependent Claim
108 words
A DENTAL DEVICE FOR TEETH AND GUMS COMPRISING, AN UPPER CHANNEL SHAPED TO PARTLY SURROUND THE TEETH IN AN UPPER JAW, A LOWER CHANNEL SHAPED TO PARTLY SURROUND THE TEETH IN A CORRESPONDING LOW JAW, SAID CHANNELS MADE OF SUBSTANTIALLY RIGID MATERIAL AND JOINED TO EACH OTHER AT THEIR ENDS, SAID CHANNELS HAVING CUT-OUT SLOTS IN THEIR HORIZONTAL PORTIONS, A LAMINAR SHEET POSITIONED ADJOINING SAID SLOTS FOR RECEIVING THE IMPRESSIONS OF A SET OF TEETH, AND A MOLDABLE RESILIENT MATERIAL PARTIALLY FILLING THE UPPER AND LOWER CHANNELS, SAID RESILIENT MATERIAL IN THE CHANNELS ADAPTED TO RECEIVE AND RETAIN THE IMPRESSIONS OF A SET OF TEETH AND ADJOINING GUMS.
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) | 1971-05-28 | 1971-11-27 | 1972-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-28 | 1975-11-27 | 1976-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-28 | 1979-11-27 | 1980-05-28 | $7700.00 | Window Closed / Lapsed |