US2577597A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental floss holder
Assignee: Individual
•
Filing: 1948-05-03
•
Granted: 1951-12-04
•
Expires: 1968-05-03
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wright
- 👤 Lionel A Leicester
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1205732A
Cited
US1386806A
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US1368555A
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US1468942A
Cited
US1442380A
Cited
US1464013A
Cited
US1700550A
Cited
US1833671A
Cited
US2098610A
Cited
US2460591A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-03 | 1955-06-04 | 1955-12-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-03 | 1959-06-04 | 1959-12-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-03 | 1963-06-04 | 1963-12-04 | $7700.00 | Window Closed / Lapsed |