US2667655A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth cleaning device having absorbent laminations
Assignee: Individual
•
Filing: 1951-09-22
•
Granted: 1954-02-02
•
Expires: 1971-09-22
Abstract
No abstract record available.
Inventors
- 👤 Jr George C Halford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:10
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/005; A46B11/00; A46D; A46D1/00; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US464843A
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US1219147A
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GB142511A
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US1384936A
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US2038958A
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US2092438A
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US2175487A
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US2265102A
Cited
US2294747A
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US2419896A
Cited
US2548255A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |