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US2582404A
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US
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Toothbrush
Assignee: Individual
•
Filing: 1947-02-11
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Granted: 1952-01-15
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Expires: 1967-02-11
Abstract
No abstract record available.
Inventors
- 👤 Frank J Zavada
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:45
CPC Classifications
A; A46; A46B; A46B11/00; A46B11/0006
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US520241A
Cited
US1911557A
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US1134459A
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US1197210A
Cited
US1236878A
Cited
US1231834A
Cited
US1420581A
Cited
US2294631A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |