US3459694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vulcanization of polychloroprenes with epoxides and thioureas
Assignee: EIDP Inc
•
Filing: 1967-10-16
•
Granted: 1969-08-05
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Expires: 1987-10-16
Abstract
No abstract record available.
Inventors
- 👤 John Michael Bowman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:53
CPC Classifications
C; C08; C08L; C08L11/00; C08K; C08K5/00; C08K5/36; C08K5/39; C08K5/405; C08L63/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1967863A
Cited
US2595619A
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US2556145A
Cited
US2671064A
Cited
US2804447A
Cited
US2958680A
Cited
US3230189A
Cited
US3297660A
Cited
US3310539A
Cited
US3330813A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |