US3524903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame-retardant vinyl ester containing alkyl hydrogen phosphate resin and a halogenated epoxide resin
Assignee: Dow Chemical Co
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Filing: 1968-01-22
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Granted: 1970-08-18
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Expires: 1988-01-22
Abstract
No abstract record available.
Inventors
- 👤 Sampse R Hargis Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:44
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/091; B; B32; B32B; B32B7/00; B32B7/04; B32B7/12; B32B5/00; B32B5/22; B32B5/24; B32B5/26; C08; C08F; C08F283/00; C08F283/10; C08F299/00; C08F299/02; C08F299/026; C08F299/028; C08G; C08G59/00; C08G59/14; C08G59/1433; C08G59/1438; C08G59/1455; C08G59/1461; C08G59/1488; C08G59/1494; C08G59/18; C08G59/40; C08G59/4007; C08G59/4071; C08G63/00; C08G63/68; B32B2307/00; B32B2307/30; B32B2307/306; B32B2307/3065; B32B2315/00; B32B2315/08; B32B2315/085; Y; Y10; Y10S; Y10S525/00; Y10S525/922
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) | 1973-08-17 | 1974-02-16 | 1974-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-17 | 1978-02-16 | 1978-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-17 | 1982-02-16 | 1982-08-18 | $7700.00 | Window Closed / Lapsed |