US3191303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth filling material
Assignee: Individual
•
Filing: 1962-05-21
•
Granted: 1965-06-29
•
Expires: 1982-05-21
Abstract
No abstract record available.
Inventors
- 👤 Baum Lloyd
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:29
CPC Classifications
A; A61; A61K; A61K6/00; A61K6/80; A61K6/84; A61K6/844
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
31 words
AN INDIVIDUALLY FORMED DENTAL FILLING HAVING A MAXIMUM CROSS SECTION NOT EXCEEDING FOUR MILLIMETERS COMPRISING A GOLD FOIL WRAPPER AND A BODY OF DISCRETE POWDERED GOLD PARTICLES ENVELOPED BY SAID WRAPPER.
Claim 2
Dependent Claim
31 words
AN INDIVIDUALLY FORMED DENTAL FILLING HAVING A MAXIMUM CROSS SECTION NOT EXCEEDING FOUR MILLIMETERS COMPRISING A GOLD FOIL WRAPPER AND A BODY OF DISCRETE POWDERED GOLD PARTICLES ENVELOPED BY SAID WRAPPER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |