US3439062A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Episulfide-modified epoxide polymer compositions and method of preparation
Assignee: Dunlop Co Ltd
•
Filing: 1966-06-28
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Granted: 1969-04-15
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Expires: 1986-06-28
Abstract
No abstract record available.
Inventors
- 👤 Stephen Adamek
- 👤 Bertie B J Wood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:07
CPC Classifications
C; C08; C08L; C08L63/00; C08L81/00; C08L81/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3164643A
Cited
US3350406A
Cited
US3222326A
Cited
US3258495A
Cited
US3322851A
Cited
US3335201A
Cited
US3331816A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |