US2516438A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental pulp capping preparation
Assignee: Individual
•
Filing: 1947-05-26
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Granted: 1950-07-25
•
Expires: 1967-05-26
Abstract
No abstract record available.
Inventors
- 👤 Norton L Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 01:59
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/70; A61K6/78; A61K6/50; A61K6/54; A61K6/80; A61K6/849; A61K6/876; A61K6/884; A61K6/887; A61K6/889
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
47 words
A DENTAL PULP CAPPING MATERIAL CONSISTING OF A POWDER AND LIQUID IN COMBINATION, THE POWDER CONTAINING ONE-HUNDRED (100) PARTS BY WEIGHT OF CALCIUM HYDROXIDE AND THE LIQUID CONTAINING ONE HUNDRED (100) PARTS BY VOLUME EUGENOL AND FIFTEEN (15) TO THIRTY (30) PARTS BY VOLUME OF LINSEED OIL.
References Cited (Backward Citations)
US1326552A
Cited
GB166854A
Cited
US1473482A
Cited
US1556696A
Cited
US1641844A
Cited
US1900237A
Cited
US1866433A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-07-24 | 1954-01-23 | 1954-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-07-24 | 1958-01-23 | 1958-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-07-24 | 1962-01-23 | 1962-07-25 | $7700.00 | Window Closed / Lapsed |