US3407808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental mouthguard
Assignee: Austenal International Inc
•
Filing: 1964-09-02
•
Granted: 1968-10-29
•
Expires: 1984-09-02
Abstract
No abstract record available.
Inventors
- 👤 Leoniel C Baldwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:14
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A DENTAL MOUTHGUARD MADE OF A TOUGH ELASTOMERIC MATERIAL RESISTANT TO MECHANICAL WEAR AND HAVING A RELATIVELY LOW RATE OF MOUTH FLUIDS ABSORPTION COMPRISING A BLEND OF A VINYL RESIN AND THERMOPLASTIC POLYESTERURETHANE WHICH IS SUBSTANTIALLY FREE OF CROSS-LINKAGES.
Claim 2
Dependent Claim
39 words
A DENTAL MOUTHGUARD MADE OF A TOUGH ELASTOMERIC MATERIAL RESISTANT TO MECHANICAL WEAR AND HAVING A RELATIVELY LOW RATE OF MOUTH FLUIDS ABSORPTION COMPRISING A BLEND OF A VINYL RESIN AND THERMOPLASTIC POLYESTERURETHANE WHICH IS SUBSTANTIALLY FREE OF CROSS-LINKAGES.
References Cited (Backward Citations)
US2755552A
Cited
US3103217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |