US3003897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for removing wax from artificial teeth
Assignee: Individual
•
Filing: 1958-03-18
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Granted: 1961-10-10
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Expires: 1978-03-18
Abstract
No abstract record available.
Inventors
- 👤 Jacob D Schwartz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 18:33
CPC Classifications
A; A61; A61C; A61C13/00; A61C13/0028
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE METHOD OF REMOVING WAX FROM A SULCUS ON THE OCCULSAL SURFACE OF AN ARTIFICIAL PORCELAIN POSTERIOR TOOTH COMPRISING THE STEPS OF MELTING BY HEAT AND MIXING TOGETHER A QUANTITY OF WAXEN MATERIAL HAVING A MELTREMOVED, SAID QUANTITY OF WAXEN MATERIAL HAVING A MELTING POINT OF AT LEAST 185 DEGREES F., A SHRINKAGE GREATER THAN 1.2 PERCENT FROM 135 DEGREES F. TO 68 DEGREES F. AND BEING AT LEAST EQUAL IN VOLUME TO SAID WAX TO BE REMOVED, REMOVING SAID HEAT TO PERMIT SAID MOLTEN WAX TO SOLIDIFY, THEN LIFTING SAID SOLIDIFIED WAX MIXTURE FROM SAID SULCUS.
Claim 2
Independent Claim
97 words
THE METHOD OF REMOVING WAX FROM A SULCUS ON THE OCCULSAL SURFACE OF AN ARTIFICIAL PORCELAIN POSTERIOR TOOTH COMPRISING THE STEPS OF MELTING BY HEAT AND MIXING TOGETHER A QUANTITY OF WAXEN MATERIAL HAVING A MELTREMOVED, SAID QUANTITY OF WAXEN MATERIAL HAVING A MELTING POINT OF AT LEAST 185 DEGREES F., A SHRINKAGE GREATER THAN 1.2 PERCENT FROM 135 DEGREES F. TO 68 DEGREES F. AND BEING AT LEAST EQUAL IN VOLUME TO SAID WAX TO BE REMOVED, REMOVING SAID HEAT TO PERMIT SAID MOLTEN WAX TO SOLIDIFY, THEN LIFTING SAID SOLIDIFIED WAX MIXTURE FROM SAID SULCUS.
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) | 1964-10-09 | 1965-04-10 | 1965-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-10-09 | 1969-04-10 | 1969-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-10-09 | 1973-04-10 | 1973-10-10 | $7700.00 | Window Closed / Lapsed |