US3087183A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tooth brush
Assignee: Individual
•
Filing: 1961-04-26
•
Granted: 1963-04-30
•
Expires: 1981-04-26
Abstract
No abstract record available.
Inventors
- 👤 William P Semon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; A46B9/045; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
152 words
IN A TOOTH BRUSH, A HANDLE, A BRUSH HEAD AFFIXED TO ONE END OF SAID HANDLE, SAID BRUSH HEAD HAVING A RESILIENT BODY EXTENDING LONGITUDINALLY THEREOF AND PROVIDED WITH CHANNELS EXTENDING LENGTHWISE OF THE LENGTH OF THE HANDLE AND IN SPACED RELATION FROM THE LONGITUDINAL PLANE THEREOF, SAID CHANNELS EXTENDING INTO SAID BRUSH HEAD TOWARD EACH OTHER AND BEING LONGITUDINALLY CURVED WITH THE ENDS THEREOF OPENING THROUGH THE ENDS OF THE BRUSH HEAD, AND SAID CHANNELS BEING OF A LENGTH AND OF CROSS-SECTIONAL SIZE TO FRICTIONALLY RECEIVE A PLURALITY OF ADJACENT TEETH OF THE UPPER AND LOWER ROWS OF TEETH OF AN INDIVIDUAL WITH THE TEETH IN EACH ROW EXTENDING LONGITUDINALLY OF THE CHANNELS RESPECTIVELY FOR CLEANING THE SAME BY RELATIVE MOVEMENT OF SAID BRUSH HEAD AND TEETH, AND SAID HEAD HAVING A LONGITUDINALLY EXTENDING CAVITY BETWEEN THE BOTTOM WALLS OF SAID CHANNELS SO AS TO CUSHION SAID WALLS OF THE CHANNELS.
Claim 2
Dependent Claim
152 words
IN A TOOTH BRUSH, A HANDLE, A BRUSH HEAD AFFIXED TO ONE END OF SAID HANDLE, SAID BRUSH HEAD HAVING A RESILIENT BODY EXTENDING LONGITUDINALLY THEREOF AND PROVIDED WITH CHANNELS EXTENDING LENGTHWISE OF THE LENGTH OF THE HANDLE AND IN SPACED RELATION FROM THE LONGITUDINAL PLANE THEREOF, SAID CHANNELS EXTENDING INTO SAID BRUSH HEAD TOWARD EACH OTHER AND BEING LONGITUDINALLY CURVED WITH THE ENDS THEREOF OPENING THROUGH THE ENDS OF THE BRUSH HEAD, AND SAID CHANNELS BEING OF A LENGTH AND OF CROSS-SECTIONAL SIZE TO FRICTIONALLY RECEIVE A PLURALITY OF ADJACENT TEETH OF THE UPPER AND LOWER ROWS OF TEETH OF AN INDIVIDUAL WITH THE TEETH IN EACH ROW EXTENDING LONGITUDINALLY OF THE CHANNELS RESPECTIVELY FOR CLEANING THE SAME BY RELATIVE MOVEMENT OF SAID BRUSH HEAD AND TEETH, AND SAID HEAD HAVING A LONGITUDINALLY EXTENDING CAVITY BETWEEN THE BOTTOM WALLS OF SAID CHANNELS SO AS TO CUSHION SAID WALLS OF THE CHANNELS.
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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) | 1966-04-29 | 1966-10-29 | 1967-04-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-29 | 1970-10-29 | 1971-04-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-29 | 1974-10-29 | 1975-04-30 | $7700.00 | Window Closed / Lapsed |