US3015629A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Antifreeze composition
Assignee: Texaco Inc
•
Filing: 1958-03-24
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Granted: 1962-01-02
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Expires: 1978-03-24
Abstract
No abstract record available.
Inventors
- 👤 James K Truitt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 18:19
CPC Classifications
C; C09; C09K; C09K5/00; C09K5/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AN ANTIFREEZE COMPOSITION ADAPTED TO BE ADDED TO WATER CONSISTING ESSENTIALLY OF A WATER-SOLUBLE LIQUID GLYCOL, BETWEEN ABOUT .01 AND 5% BY WEIGHT OF MAGNESIUM TETRABORATE AND BETWEEN ABOUT .0001 TO 1% BY WEIGHT OF AN ALKALI METAL MERCAPTOBENZOTHIAZOLE.
Claim 2
Dependent Claim
39 words
AN ANTIFREEZE COMPOSITION ADAPTED TO BE ADDED TO WATER CONSISTING ESSENTIALLY OF A WATER-SOLUBLE LIQUID GLYCOL, BETWEEN ABOUT .01 AND 5% BY WEIGHT OF MAGNESIUM TETRABORATE AND BETWEEN ABOUT .0001 TO 1% BY WEIGHT OF AN ALKALI METAL MERCAPTOBENZOTHIAZOLE.
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) | 1965-01-01 | 1965-07-03 | 1966-01-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-01-01 | 1969-07-03 | 1970-01-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-01-01 | 1973-07-03 | 1974-01-02 | $7700.00 | Window Closed / Lapsed |