US3010973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
2, 5-bis (hydrocarbonoxy) dioxanes
Assignee: Diamond Shamrock Corp
•
Filing: 1956-08-01
•
Granted: 1961-11-28
•
Expires: 1976-08-01
Abstract
No abstract record available.
Inventors
- 👤 Hirsch Alfred
- 👤 Rosen Irving
- 👤 Sanza Richard A Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 22:35
CPC Classifications
C; C07; C07D; C07D319/00; C07D319/10; C07D319/12; C08; C08L; C08L21/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
2 words
2,5-BIS(2-PROPYNLOXY) DIOXANE
Claim 2
Dependent Claim
2 words
2,5-BIS(2-PROPYNLOXY) DIOXANE
References Cited (Backward Citations)
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US2164356A
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US2164355A
Cited
US2195386A
Cited
US2397602A
Cited
US2385661A
Cited
US2418297A
Cited
US2725329A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |