US2841806A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary toothbrush having means to feed dentifrice thereon
Assignee: Individual
•
Filing: 1954-10-22
•
Granted: 1958-07-08
•
Expires: 1974-10-22
Abstract
No abstract record available.
Inventors
- 👤 John V Blasi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:20
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26; A61C17/28; A46B2200/00; A46B2200/10; A46B2200/1066; A61C17/225; A61C17/227
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR955499A
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US1166482A
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FR432947A
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US1091314A
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US1247484A
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US1518873A
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US1562377A
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US1927566A
Cited
US1922238A
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US2150842A
Cited
US2278794A
Cited
US2285865A
Cited
US2532480A
Cited
FR1082074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-07 | 1962-01-06 | 1962-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-07 | 1966-01-06 | 1966-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-07 | 1970-01-06 | 1970-07-08 | $7700.00 | Window Closed / Lapsed |