US2673364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental cleaning pad
Assignee: TWIX Inc
•
Filing: 1948-05-04
•
Granted: 1954-03-30
•
Expires: 1968-05-04
Abstract
No abstract record available.
Inventors
- 👤 Harry G Diveley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:05
CPC Classifications
A; A46; A46B; A46B5/00; A46B5/04; A61; A61C; A61C17/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1488097A
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US2155731A
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US2183711A
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US2419896A
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US2526076A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-29 | 1957-09-28 | 1958-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-29 | 1961-09-28 | 1962-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-29 | 1965-09-28 | 1966-03-30 | $7700.00 | Window Closed / Lapsed |