US3103679A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toothbrush
Assignee: Individual
•
Filing: 1961-11-01
•
Granted: 1963-09-17
•
Expires: 1981-11-01
Abstract
No abstract record available.
Inventors
- 👤 George S Clemens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:33
CPC Classifications
A; A46; A46B; A46B9/00; A46B9/02; A46B9/04; Y; Y10; Y10S; Y10S15/00; Y10S15/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
AN IMPROVED TUFT CONSTRUCTION FOR A TOOTHBRUSH COMPRISING A PLURALITY OF INTERMINGLED SHORT AND LONG BRISTLES DEFINING DISTINCT INNER AND OUTER ENVELOPES, RESPECTIVELY, SAID LONG BTISTLES BEING WITHIN THE RANGE OF 235" TO 450" IN LENGTH AND SAID SHORT BRISTLES BEING WITHIN THE RANGE OF .210" TO .425" IN LENGTH, SAID BRISTLES BEING WITHIN THE RANGE OF .007" TO .014" IN DIAMETER, SAID SHORT BRISTLES BEING LARGER IN DIAMETER THAN SAID LONG BRISTLES, THE LONG BRISTLES COMPRISING 10% TO 75% OF THE TOTAL NUMBER WITHIN THE TUFT, EACH OF SAID SHORT AND LONG BRISTLES, RESPECTIVELY, WITHIN THE TUFT BEING SUBSTANTIALLY THE SAME LENGTH.
References Cited (Backward Citations)
GB120341A
Cited
US1382681A
Cited
US1957363A
Cited
US2066068A
Cited
GB438858A
Cited
US2273717A
Cited
US2186005A
Cited
FR1000272A
Cited
US2797424A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-09-16 | 1967-03-18 | 1967-09-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-09-16 | 1971-03-18 | 1971-09-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-09-16 | 1975-03-18 | 1975-09-17 | $7700.00 | Window Closed / Lapsed |