Patent US3586881A successfully refreshed from Google Patents.
US3541010A
Expired / Lapsed
US
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Ethoxylated alkylphenol and alkyl carbonate fire extinguishing composition
Assignee: Texaco Inc
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Filing: 1968-08-19
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Granted: 1970-11-17
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Expires: 1988-08-19
Abstract
No abstract record available.
Inventors
- 👤 John Charles Dingman
- 👤 Darle Lee Nieneker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 19:38
CPC Classifications
A; A62; A62D; A62D1/00; A62D1/0028; A62D1/0035; A62D1/0042; A62D1/005; A62D1/0071; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/905; Y10S516/917; Y10S516/92
Claims Analysis
Total Claims: 0
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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) | 1973-11-16 | 1974-05-18 | 1974-11-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-16 | 1978-05-18 | 1978-11-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-16 | 1982-05-18 | 1982-11-17 | $7700.00 | Window Closed / Lapsed |