US4017971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular prosthetic dentures
Assignee: INTERNATIONAL DENTAL PRODUCTS Inc
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Filing: 1975-12-11
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Granted: 1977-04-19
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Expires: 1995-12-11
Abstract
Abstract The disclosure relates to modular prosthetic dentures comprising maxillary and mandibular units, each unit being fittable to a variety of patients; each unit having teeth fixed to a hard base on which a deflectably formable layer is deflectably fittable to an edentulus ridge; one of said units having a flat plane acclusion geometry and said mandibular unit having a retro-molar pad fitting extension 1/2 inch or more in length; said extension comprising deflectably formable material; the deflectably formable material of both denture units being adapted to be united with a hard liner forming material when in an uncured state and when impression formed in a patient's mouth.
Inventors
- 👤 Mitchell M. Hazar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:45
CPC Classifications
A; A61; A61C; A61C13/00
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
58 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; the teeth of one of said units having flat plane occlusion geometry.
Claim 2
Dependent Claim
58 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; the teeth of one of said units having flat plane occlusion geometry.
Claim 3
Dependent Claim
62 words
The invention as defined in claim 1, wherein: said mandibular unit is provided with retro-molar pad fitting extensions 1/2 inch or more in length; said extensions comprising deflectably formable material; the deflectably formable material of both denture units being adapted to be united with a hard liner forming material when in an uncured state and when impression formed in a patient's mouth.
Claim 4
Dependent Claim
103 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; said teeth of one of said units having a retro-molar pad fitting extension 1/2 inch or more in length; said extension comprising deflectably formable material; the deflectably formable material of both denture units being adapted to be united with a hard liner forming material when in an uncured state and when impression formed in a patient's mouth.
Claim 5
Dependent Claim
103 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; said teeth of one of said units having a retro-molar pad fitting extension 1/2 inch or more in length; said extension comprising deflectably formable material; the deflectably formable material of both denture units being adapted to be united with a hard liner forming material when in an uncured state and when impression formed in a patient's mouth.
Claim 6
Dependent Claim
22 words
The invention as defined in claim 3, wherein: said retro-molar pad fitting extension ranges in length between 1/2 inch and 11/4 inches.
Claim 7
Dependent Claim
102 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; said teeth of one of said units having flat plane occlusion geometry; said mandibular units having a retro-molar pad fitting extension 1/2 inch or more in length; said extension comprising deflectably formable material; the deflectably formable material of both denture units having a hard liner adapted intimately to fit respective edentulus ridges of a patient's mouth.
Claim 8
Dependent Claim
102 words
Modular prosthetic dentures comprising maxillary and mandibular units; each unit being fittable to a variety of patients; each unit having a hard base; teeth fixed to said hard base; a deflectably formable layer bonded to said hard base and being deflectably fittable to an edentulus ridge; said teeth of one of said units having flat plane occlusion geometry; said mandibular units having a retro-molar pad fitting extension 1/2 inch or more in length; said extension comprising deflectably formable material; the deflectably formable material of both denture units having a hard liner adapted intimately to fit respective edentulus ridges of a patient's mouth.
Claim 9
Dependent Claim
25 words
The invention as defined in claim 5, wherein: said hard liner of said mandibular unit covers an upper area of said retro-molar pad fitting extension.
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) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |