US2476201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sponge rubber insert for toothbrush heads
Assignee: Individual
•
Filing: 1945-08-01
•
Granted: 1949-07-12
•
Expires: 1965-08-01
Abstract
No abstract record available.
Inventors
- 👤 Ligoure Alice Eugenia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:04
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US403350A
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US1924337A
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US1002468A
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US1801915A
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US1892068A
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US1978633A
Cited
US1903161A
Cited
US1939612A
Cited
US2176306A
Cited
US2225331A
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US2218072A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-11 | 1953-01-10 | 1953-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-11 | 1957-01-10 | 1957-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-11 | 1961-01-10 | 1961-07-12 | $7700.00 | Window Closed / Lapsed |