US3250272A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpiece
Assignee: Individual
•
Filing: 1963-11-05
•
Granted: 1966-05-10
•
Expires: 1983-11-05
Abstract
No abstract record available.
Inventors
- 👤 Greenberg Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:26
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/08; A63B71/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
172 words
A SADDLE FOR USE IN MAKING A MOUTHPIECE COMPRISING A SUBSTANTIALLY U-SHAPED MEMBER OF CHANNEL CROSS-SECTION MADE OF A THERMOPLASTIC RESIN WHICH IS FIXED IN FORM AND RESILIENT UP TO THE TEMPERATURE RANGE OF 185* F.-230* F. BUT SUFFICIENTLY SOFT TO TAKE TOOTH IMPRESSIONS UNDER PRESSURE BELOW SAID RANGE DOWN TO ABOUT 130* F. WIHTOUT LOSING ITS ESSENTIAL SHAPE AND FIX THEM BELOW SAID TEMPERATURE, SAID RESIN BEING SELECTED FROM THE CLASS CONSISTING OF VINYL ACETATE-ETHYLENE COPOLYMER HAVING 20-35% BY WEIGHT OF VINYL ACETATE, REMAINDER ETHYLENE AND ETHYL ACRYLATE-ETHYLENE COPOLYMER HAVING 20-35% BY WEIGHT OF ETHYL ACRYLATE, REMAINDER ETHYLENE, SAID MEMBER HAVING INNER AND OUTER FLANGES JOINED BY A WEB WHICH TAPERS IN THICKNESS DOWNWARDLY FROM SAID INNER TO SAID OUTER FLANGE, SO THAT IMPRESSIONS OF ONE SET OF TEETH MAY BE MADE ON THE INSIDE OF SAID CHANNEL AND IMPRESSIONS OF THE BITE SURFACE OF THE OPPOSITE SET OF TEETH MAY BE MADE IN THE OUTER SURFACE OF THE WEB WITHOUT SACRIFICING THICKNESS OF THE WEB AS REQUIRED FOR PROPER PROTECTION.
Claim 2
Dependent Claim
172 words
A SADDLE FOR USE IN MAKING A MOUTHPIECE COMPRISING A SUBSTANTIALLY U-SHAPED MEMBER OF CHANNEL CROSS-SECTION MADE OF A THERMOPLASTIC RESIN WHICH IS FIXED IN FORM AND RESILIENT UP TO THE TEMPERATURE RANGE OF 185* F.-230* F. BUT SUFFICIENTLY SOFT TO TAKE TOOTH IMPRESSIONS UNDER PRESSURE BELOW SAID RANGE DOWN TO ABOUT 130* F. WIHTOUT LOSING ITS ESSENTIAL SHAPE AND FIX THEM BELOW SAID TEMPERATURE, SAID RESIN BEING SELECTED FROM THE CLASS CONSISTING OF VINYL ACETATE-ETHYLENE COPOLYMER HAVING 20-35% BY WEIGHT OF VINYL ACETATE, REMAINDER ETHYLENE AND ETHYL ACRYLATE-ETHYLENE COPOLYMER HAVING 20-35% BY WEIGHT OF ETHYL ACRYLATE, REMAINDER ETHYLENE, SAID MEMBER HAVING INNER AND OUTER FLANGES JOINED BY A WEB WHICH TAPERS IN THICKNESS DOWNWARDLY FROM SAID INNER TO SAID OUTER FLANGE, SO THAT IMPRESSIONS OF ONE SET OF TEETH MAY BE MADE ON THE INSIDE OF SAID CHANNEL AND IMPRESSIONS OF THE BITE SURFACE OF THE OPPOSITE SET OF TEETH MAY BE MADE IN THE OUTER SURFACE OF THE WEB WITHOUT SACRIFICING THICKNESS OF THE WEB AS REQUIRED FOR PROPER PROTECTION.
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) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |