Patent US3298067A successfully refreshed from Google Patents.
US3298067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mold for forming dentures
Assignee: Individual
•
Filing: 1965-04-14
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Granted: 1967-01-17
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Expires: 1985-04-14
Abstract
No abstract record available.
Inventors
- 👤 Raymond L Tencate
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:05
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/01; A61C13/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A MOLD FOR USE IN CASTING DENTURES IN A PRESSURE FLASK COMPRISING: UPPER AND LOWER MOLD PORTIONS WHICH ARE MATINGLY ENGAGED AND HELD UNDER COMPRESSION IN THE FLASK DURING OPERATION AND WHICH CONFINE THEREBETWEEN A MOLD CAVITY DEFINITIVE OF A DENTURE TO BE CAST THEREIN; SAID LOWER MOLD PORTION COMPRISING A RIGID, RELATIVELY INCOMPRESSIBLE MASTER CAST HAVING A RIGID STABLE SURFACE REPRODUCTIVE OF THE DENTURE BEARING SURFACES OF THE PATIENTS MOUTH, AND A RESIST MEMBRANE IN CONTINUOUS CONTACT WITH SAID RIGID SURFACE THEREOF; SAID UPPER MOLD PORTION COMPRISING A YIELDABLE, PRESSURE TRANSMITTING MEMBER FORMED OF ELASTICALLY RESILIENT, HEAT AND MOISTURE RESISTENT MATERIAL AND HAVING A YIELDABLE SHAPED PORTION DEFINING THE OUTER SURFACE OF THE DENTURE TO BE CAST AND MEANS FOR RELEASABLY HOLDING ONE OR MORE TEETH WITH THE ROOT ENDS THEREOF EXTENDING INTO SAID CAVITY, WHEREBY WHEN SAID CAVITY IS FILLED WITH SELF-CURING DENTURE FORMING MATERIAL OF
Claim 2
Dependent Claim
148 words
A MOLD FOR USE IN CASTING DENTURES IN A PRESSURE FLASK COMPRISING: UPPER AND LOWER MOLD PORTIONS WHICH ARE MATINGLY ENGAGED AND HELD UNDER COMPRESSION IN THE FLASK DURING OPERATION AND WHICH CONFINE THEREBETWEEN A MOLD CAVITY DEFINITIVE OF A DENTURE TO BE CAST THEREIN; SAID LOWER MOLD PORTION COMPRISING A RIGID, RELATIVELY INCOMPRESSIBLE MASTER CAST HAVING A RIGID STABLE SURFACE REPRODUCTIVE OF THE DENTURE BEARING SURFACES OF THE PATIENTS MOUTH, AND A RESIST MEMBRANE IN CONTINUOUS CONTACT WITH SAID RIGID SURFACE THEREOF; SAID UPPER MOLD PORTION COMPRISING A YIELDABLE, PRESSURE TRANSMITTING MEMBER FORMED OF ELASTICALLY RESILIENT, HEAT AND MOISTURE RESISTENT MATERIAL AND HAVING A YIELDABLE SHAPED PORTION DEFINING THE OUTER SURFACE OF THE DENTURE TO BE CAST AND MEANS FOR RELEASABLY HOLDING ONE OR MORE TEETH WITH THE ROOT ENDS THEREOF EXTENDING INTO SAID CAVITY, WHEREBY WHEN SAID CAVITY IS FILLED WITH SELF-CURING DENTURE FORMING MATERIAL OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |