US741722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth-brush.
Assignee: Individual
•
Filing: 1903-01-16
•
Granted: 1903-10-20
•
Expires: 1923-01-16
Abstract
No abstract record available.
Inventors
- 👤 William B Ryder
- 👤 Charles L Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 01:39
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B9/045; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1906-10-19 | 1907-04-20 | 1907-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1910-10-19 | 1911-04-20 | 1911-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1914-10-19 | 1915-04-20 | 1915-10-20 | $7700.00 | Window Closed / Lapsed |