US2599445A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental preparation and method of making it
Assignee: Rower Dental Manuf Corp
•
Filing: 1950-03-30
•
Granted: 1952-06-03
•
Expires: 1970-03-30
Abstract
No abstract record available.
Inventors
- 👤 Gordon Elliot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:54
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/80; A61K6/849; A61K6/873; A61K6/50; A61K6/54; A61K6/864; A61K6/876; A61K6/884; A61K6/898
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
A DENTAL PREPARATION FOR CAVITY LINING AND PULP CAPPING CONSISTING ESSENTIALLY OF WATER SOLUBLE METHYL CELLULOSE, WATER, AND CALCIUM, HYDROXIDE MIXED TOGETHER AND IN THE FORM OF A PASTE, SAID METHYL CELLULOSE CONSTITUTING 2 TO 5% BY WEIGHT OF SAID PREPARATION.
Claim 2
Dependent Claim
41 words
A DENTAL PREPARATION FOR CAVITY LINING AND PULP CAPPING CONSISTING ESSENTIALLY OF WATER SOLUBLE METHYL CELLULOSE, WATER, AND CALCIUM, HYDROXIDE MIXED TOGETHER AND IN THE FORM OF A PASTE, SAID METHYL CELLULOSE CONSTITUTING 2 TO 5% BY WEIGHT OF SAID PREPARATION.
References Cited (Backward Citations)
US2476306A
Cited
US2432971A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-03 | 1955-12-03 | 1956-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-03 | 1959-12-03 | 1960-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-03 | 1963-12-03 | 1964-06-03 | $7700.00 | Window Closed / Lapsed |