Patent US2879533A successfully refreshed from Google Patents.
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 12:03
CPC Classifications
A; A46; A46B; A46B7/00; A46B7/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1259571A
Cited
US1549473A
Cited
US1611640A
Cited
US1739324A
Cited
US2171591A
Cited
US2038958A
Cited
US2092438A
Cited
US2265102A
Cited
US2386085A
Cited
US2483503A
Cited
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 |