US3619903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Factory made tray for taking impressions on a toothless upper jaw
Assignee: Individual
•
Filing: 1969-12-30
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Granted: 1971-11-16
•
Expires: 1989-12-30
Abstract
Abstract A FACTORY MADE TRAY FOR TAKING IMPRESSIONS ON A TOOTHLESS UPPER JAW, WHEREIN THE DISTAL RIM OF BOTH VESTIBULAR FLANGES OF THE TRAY ENTIRELY EXTNEDS IN SITU BEYOND THE ACTION LIMIT IN THE ACTION AREA OF THE MUCOUS MEMBERANE. ACCORDING TO THE INVENTION THE DISTAL RIM OF BOTH VESTIBULAR FLANGES COMPRISES AN UPWARDLY DIRECTED KINK POSITIONED IMMEDIATELY OUTWARD OF THE RELATIVE HAMULAR NOTCH, IN SUCH MANNER THAT THE BASE OF THE MORE OR LESS VERTICALLY EXTENDING GROOVE BETWEEN THE OS MAXILLARE AND THE EXTERNAL PTERYGOID PLATE IS REPRODUCED IN THE IMPRESSION ON THE LEFT HAND SIDE AND ON THE RIGHT HAND SIDE IN AN OPTIMUM MANNER. D R A W I N G
Inventors
- 👤 Josephus Schreinemakers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:25
CPC Classifications
A; A61; A61C; A61C9/00; A61C9/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-11-15 | 1975-05-17 | 1975-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-11-15 | 1979-05-17 | 1979-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-11-15 | 1983-05-17 | 1983-11-16 | $7700.00 | Window Closed / Lapsed |