US2654948A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cavity lining device
Assignee: Mizzy Inc
•
Filing: 1950-05-26
•
Granted: 1953-10-13
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 Louis B Rubin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:47
CPC Classifications
B; B65; B65D; B65D35/00; B65D35/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CH28009A
Cited
US1676881A
Cited
US2199817A
Cited
US2142780A
Cited
US2276421A
Cited
GB546444A
Cited
GB587280A
Cited
US2494456A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |