Patent US272720A successfully refreshed from Google Patents.
Patent US3545025A successfully refreshed from Google Patents.
US3545025A
Expired / Lapsed
US
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Dental cleaning means and process for making same
Assignee: THOMAS BRIAN O CONNELL
•
Filing: 1967-11-27
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Granted: 1970-12-08
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Expires: 1987-11-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas Brian O'connell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:53
CPC Classifications
A; A46; A46D; A46D3/00; A46B; A46B11/00; A46B11/0003
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1327757A
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US1861347A
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US2077758A
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US2705335A
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US2719315A
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US2864111A
Cited
US2879533A
Cited
US3109192A
Cited
US3186018A
Cited
US3121040A
Cited
US3298507A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-07 | 1974-06-08 | 1974-12-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-07 | 1978-06-08 | 1978-12-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-07 | 1982-06-08 | 1982-12-08 | $7700.00 | Window Closed / Lapsed |