US3414529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable elastomeric epichlorohydrin polymer compositions and method for curing said compositions
Assignee: Air Products and Chemicals Inc
•
Filing: 1967-11-09
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Granted: 1968-12-03
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Expires: 1987-11-09
Abstract
No abstract record available.
Inventors
- 👤 Harold A Green
- 👤 Elwood E Huntzinger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:26
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/16; C08K5/34; C08K5/3442; C08K5/3445; C08K5/17; C08K5/36; C08K5/37; C08L; C08L71/00; C08L71/02; C08L71/03
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3135705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-03 | 1972-06-03 | 1972-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-03 | 1976-06-03 | 1976-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-03 | 1980-06-03 | 1980-12-03 | $7700.00 | Window Closed / Lapsed |