US3525462A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dental floss holder and dispenser
Assignee: Individual
•
Filing: 1967-05-10
•
Granted: 1970-08-25
•
Expires: 1987-05-10
Abstract
No abstract record available.
Inventors
- 👤 Hyman Freedman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:54
CPC Classifications
A; A61; A61C; A61C15/00; A61C15/04; A61C15/043; Y; Y10; Y10S; Y10S242/00; Y10S242/911; Y10T; Y10T225/00; Y10T225/20; Y10T225/217; Y10T225/238; Y10T225/244; Y10T225/246; Y10T225/247
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2434776A
Cited
US2494106A
Cited
US2547569A
Cited
US2547253A
Cited
US2709049A
Cited
US2824709A
Cited
US2929540A
Cited
US3021987A
Cited
US3132783A
Cited
US3086309A
Cited
US3144970A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-24 | 1974-02-23 | 1974-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-24 | 1978-02-23 | 1978-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-24 | 1982-02-23 | 1982-08-25 | $7700.00 | Window Closed / Lapsed |