Patent US3029451A successfully refreshed from Google Patents.
US3029451A
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Power driven self-contained toothbrush and gum massage apparatus
Assignee: HERBERT M ROBINSON
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Filing: 1958-12-22
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Granted: 1962-04-17
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Expires: 1978-12-22
Abstract
No abstract record available.
Inventors
- 👤 Samuel W Barr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:09
CPC Classifications
A; A61; A61C; A61C17/00; A61C17/16; A61C17/22; A61C17/24; A61C17/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1396630A
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US1394636A
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US1598411A
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FR748823A
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US2124145A
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US2185229A
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US2279982A
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US2310626A
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US2462495A
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US2601567A
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US2840837A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |