US3466689A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sonic energy dental cleaning device
Assignee: Bennett Ind Inc
•
Filing: 1967-12-11
•
Granted: 1969-09-16
•
Expires: 1987-12-11
Abstract
No abstract record available.
Inventors
- 👤 Salvatore P Aurelio
- 👤 Thomas A Gardner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 02:43
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/222; A61C17/20; A61C17/32; A61C17/34; A61C17/3409; A61C17/3481; A61C2204/00; A61C2204/002
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3335443A
Cited
US2282700A
Cited
FR1216838A
Cited
GB899618A
Cited
US3183583A
Cited
DE1204187B
Cited
US3375381A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-15 | 1973-03-17 | 1973-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-15 | 1977-03-17 | 1977-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-15 | 1981-03-17 | 1981-09-16 | $7700.00 | Window Closed / Lapsed |