US3510443A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Filled epihalohydrin polymer
Assignee: Hercules LLC
•
Filing: 1966-04-26
•
Granted: 1970-05-05
•
Expires: 1986-04-26
Abstract
No abstract record available.
Inventors
- 👤 Edwin J Vandenberg
- 👤 William D Willis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:50
CPC Classifications
C; C08; C08L; C08L71/00; C08L71/02; C08L71/03; C08K; C08K13/00; C08K13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3026270A
Cited
US3231551A
Cited
US3239486A
Cited
US3313741A
Cited
US3328339A
Cited
US3310504A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |