US3462520A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phosphate esters of alkoxylated straight-chain primary alcohols
Assignee: GAF Corp
•
Filing: 1966-10-14
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Granted: 1969-08-19
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Expires: 1986-10-14
Abstract
No abstract record available.
Inventors
- 👤 Louis J Nehmsmann
- 👤 Leslie M Schenck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:28
CPC Classifications
C; C11; C11D; C11D1/00; C11D1/02; C11D1/34; C11D1/345; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; C08; C08G; C08G65/00; C08G65/02; C08G65/32; C08G65/321; C08G65/322; C08G65/329; C08G65/335; C08G65/3353; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3277217A
Cited
US3391228A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |