US3182795A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container for toothpaste containing stannous fluoride and process for reducing corrosion thereof
Assignee: Olin Corp
•
Filing: 1963-03-01
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Granted: 1965-05-11
•
Expires: 1983-03-01
Abstract
No abstract record available.
Inventors
- 👤 Michael J Pryor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 23:39
CPC Classifications
C; C22; C22C; C22C21/00; B; B65; B65D; B65D35/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
AN IMPROVED ALUMINUM CONTAINING TOOTHPASTE TUBE CAPABLE OF SUTSTANTIAL RESISTNACE TO THE CORROSIVENESS OF STANNOUS FLUORIDE CONTAINING TOOTHPASTE WHICH COMPRISES AN ALUMINUM BASE ALLOY CONTAINING AT LEAST 90 PERCENT ALUMINUM, BETWEEN 0.08 AND 0.35 PERCENT TIN, WITH THE TIN RETAINED IN SOLID SOLUTION TO THE MAXIMUM DEGREE, AND A MAXIMUM OF 0.1 PERCENT SILICON AND 1.0 PERCENT IRON.
Claim 2
Dependent Claim
58 words
AN IMPROVED ALUMINUM CONTAINING TOOTHPASTE TUBE CAPABLE OF SUTSTANTIAL RESISTNACE TO THE CORROSIVENESS OF STANNOUS FLUORIDE CONTAINING TOOTHPASTE WHICH COMPRISES AN ALUMINUM BASE ALLOY CONTAINING AT LEAST 90 PERCENT ALUMINUM, BETWEEN 0.08 AND 0.35 PERCENT TIN, WITH THE TIN RETAINED IN SOLID SOLUTION TO THE MAXIMUM DEGREE, AND A MAXIMUM OF 0.1 PERCENT SILICON AND 1.0 PERCENT IRON.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-10 | 1968-11-09 | 1969-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-10 | 1972-11-09 | 1973-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-10 | 1976-11-09 | 1977-05-11 | $7700.00 | Window Closed / Lapsed |