US1151352A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Art of introduction and retention of dental filling materials.
Assignee: Individual
•
Filing: 1908-06-22
•
Granted: 1915-08-24
•
Expires: 1928-06-22
Abstract
No abstract record available.
Inventors
- 👤 Carroll H Frink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:17
CPC Classifications
A; A61; A61C; A61C5/00; A61C5/30; A61C5/35
Claims Analysis
Total Claims: 0
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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) | 1918-08-23 | 1919-02-22 | 1919-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1922-08-23 | 1923-02-22 | 1923-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1926-08-23 | 1927-02-22 | 1927-08-24 | $7700.00 | Window Closed / Lapsed |