US2939164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antiseptic toothbrushes
Assignee: Pycope Inc
•
Filing: 1956-07-06
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Granted: 1960-06-07
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Expires: 1976-07-06
Abstract
No abstract record available.
Inventors
- 👤 Murray W Rosenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:18
CPC Classifications
A; A46; A46B; A46B5/00; A46D; A46D1/00; A46B2200/00; A46B2200/10; A46B2200/1066
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
92 words
THE METHOD OF MAKING A PLASTIC-HANDLED TOOTHBRUSH HAVING BACTERIA INHIBITIVE PROPERTIES WHICH IT RETAINS DURING AN EXTENDED USAGE PERIOD, WHICH COMPRISES IMMERSING THE COMPONENTS OF A TOOTHBRUSH FOR BETWEEN 30 SECONDS AND 30 MINUTES, AT A TEMPERATURE BETWEEN 50*C. AND THE BOILING POINT, IN AN AQUEOUS DISPERSION CONTAINING A NONIONIC DISPERSANT, MORE AROMATIC MERCURY COMPOUND THAN IS SOLUBLE IN THE WATER ALONE, AND A MINOR PROPORTION BY WEIGHT, AS COMPARED WITH THE AROMATIC MERCURY COMPOUND, OF A GERMICIDAL QUATERNARY AMMONIUM COMPOUND, REMOVING THE COMPONENTS OF THE TOOTHBRUSH FROM THE DISPERSION, AND DRYING.
Claim 2
Independent Claim
92 words
THE METHOD OF MAKING A PLASTIC-HANDLED TOOTHBRUSH HAVING BACTERIA INHIBITIVE PROPERTIES WHICH IT RETAINS DURING AN EXTENDED USAGE PERIOD, WHICH COMPRISES IMMERSING THE COMPONENTS OF A TOOTHBRUSH FOR BETWEEN 30 SECONDS AND 30 MINUTES, AT A TEMPERATURE BETWEEN 50*C. AND THE BOILING POINT, IN AN AQUEOUS DISPERSION CONTAINING A NONIONIC DISPERSANT, MORE AROMATIC MERCURY COMPOUND THAN IS SOLUBLE IN THE WATER ALONE, AND A MINOR PROPORTION BY WEIGHT, AS COMPARED WITH THE AROMATIC MERCURY COMPOUND, OF A GERMICIDAL QUATERNARY AMMONIUM COMPOUND, REMOVING THE COMPONENTS OF THE TOOTHBRUSH FROM THE DISPERSION, AND DRYING.
References Cited (Backward Citations)
US2099688A
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US2264150A
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US2411815A
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US2423262A
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US2507299A
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US2505681A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |