US2879533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable, one-use toothbrush
Assignee: Individual
•
Filing: 1955-03-29
•
Granted: 1959-03-31
•
Expires: 1975-03-29
Abstract
No abstract record available.
Inventors
- 👤 Charles D Ward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:35
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1259571A
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US1549473A
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US1611640A
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US1739324A
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US2171591A
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US2038958A
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US2092438A
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US2265102A
Cited
US2386085A
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US2483503A
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US2548255A
Cited
US2755497A
Cited
US2710982A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-30 | 1962-09-29 | 1963-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-30 | 1966-09-29 | 1967-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-30 | 1970-09-29 | 1971-03-31 | $7700.00 | Window Closed / Lapsed |