Patent US2909277A successfully refreshed from Google Patents.
US2909277A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental floss and dispenser
Assignee: Individual
•
Filing: 1956-08-13
•
Granted: 1959-10-20
•
Expires: 1976-08-13
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Thiers
- 👤 Judith G Thiers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:27
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/043; Y; Y10; Y10S; Y10S206/00; Y10S206/82
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US405443A
Cited
US706998A
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US735757A
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US1886842A
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US2083398A
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US2008206A
Cited
US1999879A
Cited
US2419809A
Cited
US2739702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-19 | 1963-04-20 | 1963-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-19 | 1967-04-20 | 1967-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-19 | 1971-04-20 | 1971-10-20 | $7700.00 | Window Closed / Lapsed |