US2652312A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental impression material
Assignee: Plastodent Inc
•
Filing: 1953-07-08
•
Granted: 1953-09-15
•
Expires: 1973-07-08
Abstract
No abstract record available.
Inventors
- 👤 Fink Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:32
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/90
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
42 words
A DENTAL IMPRESSION COMPOSITION COMPRISING A WATER-SOLUBLE ALGINATE, A GEL-FORMING AGENT REACTIVE THEREWITH TO FORM THE COMPOSITION INTO AN ELASTIC GEL, A FILLER, AND A FLUORIDE OF THE GROUP CONSISTING OF AN ALKALI METAL TITANIUM FLUORIDE AND AN ALKALI METAL ZIRCONIUM FLUORIDE.
Claim 2
Dependent Claim
42 words
A DENTAL IMPRESSION COMPOSITION COMPRISING A WATER-SOLUBLE ALGINATE, A GEL-FORMING AGENT REACTIVE THEREWITH TO FORM THE COMPOSITION INTO AN ELASTIC GEL, A FILLER, AND A FLUORIDE OF THE GROUP CONSISTING OF AN ALKALI METAL TITANIUM FLUORIDE AND AN ALKALI METAL ZIRCONIUM FLUORIDE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-14 | 1957-03-16 | 1957-09-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-14 | 1961-03-16 | 1961-09-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-14 | 1965-03-16 | 1965-09-15 | $7700.00 | Window Closed / Lapsed |