US3236235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Protective mouthpiece
Assignee: Madison Dental Co
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Filing: 1963-11-08
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Granted: 1966-02-22
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Expires: 1983-11-08
Abstract
No abstract record available.
Inventors
- 👤 Alfred G Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/085
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
A PROTECTIVE MOUTHPIECE COMPRISING, A CHANNEL AND A BODY OF MOLDABLE, NON-SETTING, HIGH MOLECULAR SILICON RUBBER FILLER MATERIAL ENCLOSED BY SAID CHANNEL, SAID CHANNEL HAVING A SUBSTANTIALLY U-SHAPED BASE WITH AN OUTER WALL EXTENDING FROM THE OUTER EDGE OF SAID BASE AND AN INNER WALL EXTENDING FROM THE INNER EDGE OF SAID BASE, RETAINING MEANS INTEGRAL WITH SAID INNER AND OUTER WALLS AND SAID BASE, SAID BODY BEING RETAINED IN SAID CHANNEL BY SAID RETAINING MEANS AND BY THE SLIGHTLY TACKY CHARACTER OF SAID BODY.
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) | 1969-02-21 | 1969-08-23 | 1970-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-21 | 1973-08-23 | 1974-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-21 | 1977-08-23 | 1978-02-22 | $7700.00 | Window Closed / Lapsed |