US2168689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cleaning compact
Assignee: Individual
•
Filing: 1938-08-29
•
Granted: 1939-08-08
•
Expires: 1958-08-29
Abstract
No abstract record available.
Inventors
- 👤 Will O Smith
- 👤 Elizabeth E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:53
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0033; A46B5/0041; A46B11/00; A46B11/001; 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) | 1942-08-07 | 1943-02-06 | 1943-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1946-08-07 | 1947-02-06 | 1947-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1950-08-07 | 1951-02-06 | 1951-08-08 | $7700.00 | Window Closed / Lapsed |