US2968827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth cleaning and gum massaging device
Assignee: Individual
•
Filing: 1958-01-23
•
Granted: 1961-01-24
•
Expires: 1978-01-23
Abstract
No abstract record available.
Inventors
- 👤 Lawsine Leo
- 👤 Kenneth L Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:47
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/002; A46B5/0033; A46B5/0041; A46B11/00; A46B11/001; A46B17/00; A46B17/04; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-01-24 | 1964-07-25 | 1965-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-01-24 | 1968-07-25 | 1969-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-01-24 | 1972-07-25 | 1973-01-24 | $7700.00 | Window Closed / Lapsed |