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US1559523A
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Tooth-cleaning device
Assignee: AMERICAN DRUGGISTS SYNDICATE
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Filing: 1924-08-11
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Granted: 1925-10-27
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Expires: 1944-08-11
Abstract
No abstract record available.
Inventors
- 👤 Olaf I Waring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:00
CPC Classifications
A; A46; A46D; A46D1/00; A46B; A46B11/00; A46B11/001; A46B7/00; A46B7/04; A61; A61C; A61C17/00
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) | 1928-10-26 | 1929-04-27 | 1929-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-10-26 | 1933-04-27 | 1933-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-10-26 | 1937-04-27 | 1937-10-27 | $7700.00 | Window Closed / Lapsed |