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Patent US2656843A successfully refreshed from Google Patents.
US2656843A
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Teeth cleaning unit
Assignee: Individual
•
Filing: 1949-02-09
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Granted: 1953-10-27
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Expires: 1969-02-09
Abstract
No abstract record available.
Inventors
- 👤 Boulicault Marcel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:53
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/0095; A45; A45D; A45D44/00; A45D44/18; A46B17/00; A46B17/06; A46B17/065; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US793259A
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US809419A
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US1339265A
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US1380246A
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US1702147A
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US1692096A
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US2038057A
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US2146847A
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US2399660A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |