Patent US3192583A successfully refreshed from Google Patents.
US3192583A
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Removable partial denture prosthesis
Assignee: Individual
•
Filing: 1963-06-21
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Granted: 1965-07-06
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Expires: 1983-06-21
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Fryrear
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:11
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0003; A61C13/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49567
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
IN REMOVABLE PARTIAL DENTURE PROSTHESIS, THE IMPROVEMENT WHICH COMPRISES FORMING A PATTERN ON A REFRACTORY CAST FOR A REMOVABLE PARTIAL DENTAL APPLIANCE, ATTACHING A SIDE SPRUE OF SAID PATTERN, PLACING THE REFRACTORY CAST IN AN INVESTING FORM WITH THE SPRUE IN THE HORIZONTAL POSITION AND THE PATTERN IN AN UPWARD VISIBLE POSITION, INVESTING THE REFRACTORY CAST AND THE PATTERN THEREON, PROVIDING A FUNNELED SPRUE IN COMMUNICATION WITH THE END OF THE SPRUE, HARDENING THE INVESTMENT, BURNING OUT THE PATTERN AND SPRUE, AND CENTRIFUGALLY INJECTING MOLTEN DENTAL METAL INTO THE MOLD TO FORM THE DENTAL APPLIANCE.
Claim 2
Dependent Claim
95 words
IN REMOVABLE PARTIAL DENTURE PROSTHESIS, THE IMPROVEMENT WHICH COMPRISES FORMING A PATTERN ON A REFRACTORY CAST FOR A REMOVABLE PARTIAL DENTAL APPLIANCE, ATTACHING A SIDE SPRUE OF SAID PATTERN, PLACING THE REFRACTORY CAST IN AN INVESTING FORM WITH THE SPRUE IN THE HORIZONTAL POSITION AND THE PATTERN IN AN UPWARD VISIBLE POSITION, INVESTING THE REFRACTORY CAST AND THE PATTERN THEREON, PROVIDING A FUNNELED SPRUE IN COMMUNICATION WITH THE END OF THE SPRUE, HARDENING THE INVESTMENT, BURNING OUT THE PATTERN AND SPRUE, AND CENTRIFUGALLY INJECTING MOLTEN DENTAL METAL INTO THE MOLD TO FORM THE DENTAL APPLIANCE.
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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) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |