US3228845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cleanser paste
Assignee: Individual
•
Filing: 1963-02-28
•
Granted: 1966-01-11
•
Expires: 1983-02-28
Abstract
No abstract record available.
Inventors
- 👤 William K Najjar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:14
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/02; A61K8/18; A61K8/96; A61K8/965
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A PUMICE DENTAL PROPHYLACTIC PASTE COMPRISING A COMPOSITION HAVING A WEIGHT RATIO OF ABOUT 16:8:4 PARTS PUMICE, GLYCERINE, AND WATER, AND ABOUT 1-2 PARTS OF THE SAME WEIGHT OF SODIUM SILICATE AND ABOUT 0.045 - 0.65 PARTS OF THE SAME WEIGHT OF AGAR AGAR.
Claim 2
Dependent Claim
44 words
A PUMICE DENTAL PROPHYLACTIC PASTE COMPRISING A COMPOSITION HAVING A WEIGHT RATIO OF ABOUT 16:8:4 PARTS PUMICE, GLYCERINE, AND WATER, AND ABOUT 1-2 PARTS OF THE SAME WEIGHT OF SODIUM SILICATE AND ABOUT 0.045 - 0.65 PARTS OF THE SAME WEIGHT OF AGAR AGAR.
References Cited (Backward Citations)
US2189947A
Cited
US2489848A
Cited
US2775079A
Cited
US2779708A
Cited
US2876166A
Cited
US3081215A
Cited
US3050914A
Cited
US3105013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |