US2859088A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making dental parts
Assignee: Austenal Inc
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Filing: 1954-11-15
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Granted: 1958-11-04
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Expires: 1974-11-15
Abstract
No abstract record available.
Inventors
- 👤 Paul H Erdle
- 👤 Roy C Feagin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:24
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/01; A61C13/04; A61C13/0003; A61K; A61K6/00; A61K6/80; A61K6/884
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
THE PROCESS WHICH COMPRISES FORMING A MOLD INCLUDING AT LEAST ONE FLEXIBLE MOLD PORTION COMPOSED OF GELLED AGAR MATERIAL WHICH BECOMES FLUID UPON HEATING CASTING IN SAID MOLD A FLUID POLYMERIZABLE ORGANIC MA TERIAL EFFECTIVELY INERT TO SAID AGAR MATERIAL AND WHICH POLYMERIZES AT A TEMPERATURE BELOW THAT AT WHICH SAID AGAR MATERIAL BECOMES FLUID, AND POLYMERIZING SAID ORGANIC MATERIAL AT A TEMPERATURE BELOW THE FLUIDIZING TEMPERATURE OF SAID AGAR MATERIAL.
Claim 2
Dependent Claim
71 words
THE PROCESS WHICH COMPRISES FORMING A MOLD INCLUDING AT LEAST ONE FLEXIBLE MOLD PORTION COMPOSED OF GELLED AGAR MATERIAL WHICH BECOMES FLUID UPON HEATING CASTING IN SAID MOLD A FLUID POLYMERIZABLE ORGANIC MA TERIAL EFFECTIVELY INERT TO SAID AGAR MATERIAL AND WHICH POLYMERIZES AT A TEMPERATURE BELOW THAT AT WHICH SAID AGAR MATERIAL BECOMES FLUID, AND POLYMERIZING SAID ORGANIC MATERIAL AT A TEMPERATURE BELOW THE FLUIDIZING TEMPERATURE OF SAID AGAR MATERIAL.
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) | 1961-11-03 | 1962-05-05 | 1962-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-03 | 1966-05-05 | 1966-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-03 | 1970-05-05 | 1970-11-04 | $7700.00 | Window Closed / Lapsed |