US3465751A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cleaning and gum massaging device
Assignee: MILTON A POWERS
•
Filing: 1966-06-21
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Granted: 1969-09-09
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Expires: 1986-06-21
Abstract
No abstract record available.
Inventors
- 👤 Milton A Powers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:37
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/32; A61C17/34; A61C17/36; A61C17/02; A61C17/024
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2117622A
Cited
US2292673A
Cited
US2502763A
Cited
US2971699A
Cited
US3107671A
Cited
US3178754A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-08 | 1973-03-10 | 1973-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-08 | 1977-03-10 | 1977-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-08 | 1981-03-10 | 1981-09-09 | $7700.00 | Window Closed / Lapsed |