US2511235A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush handle and head construction
Assignee: Individual
•
Filing: 1947-01-27
•
Granted: 1950-06-13
•
Expires: 1967-01-27
Abstract
No abstract record available.
Inventors
- 👤 Samuel B Arwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:04
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B2200/00; A46B2200/10; A46B2200/1066; A46B2200/1073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US158099A
Cited
GB189619408A
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US673506A
Cited
CH117317A
Cited
US1937857A
Cited
US2153554A
Cited
US2190277A
Cited
US2206542A
Cited
US2274042A
Cited
US2236034A
Cited
US2272151A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-12 | 1953-12-12 | 1954-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-12 | 1957-12-12 | 1958-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-12 | 1961-12-12 | 1962-06-13 | $7700.00 | Window Closed / Lapsed |