US2675573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush with removable head
Assignee: HARRY A GOLDBERG
•
Filing: 1949-10-07
•
Granted: 1954-04-20
•
Expires: 1969-10-07
Abstract
No abstract record available.
Inventors
- 👤 Strong Harris George
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 09:28
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE266741C
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GB191005706A
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US1442362A
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US1439913A
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US1439914A
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US1675139A
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US1742596A
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US1932878A
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US2456782A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-04-19 | 1957-10-19 | 1958-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-19 | 1961-10-19 | 1962-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-19 | 1965-10-19 | 1966-04-20 | $7700.00 | Window Closed / Lapsed |