Patent US2391651A successfully refreshed from Google Patents.
US2391651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental compact
Assignee: Individual
•
Filing: 1945-01-08
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Granted: 1945-12-25
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Expires: 1965-01-08
Abstract
No abstract record available.
Inventors
- 👤 Elizabeth E Smith
- 👤 Will O Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:04
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0033; A46B5/0041; A46B11/00; A46B11/0006; A46B17/00; A46B17/04; A46B2200/00; A46B2200/10; A46B2200/1066
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) | 1948-12-24 | 1949-06-25 | 1949-12-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-24 | 1953-06-25 | 1953-12-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-24 | 1957-06-25 | 1957-12-25 | $7700.00 | Window Closed / Lapsed |