US3418201A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polychloroprene-fluoroelastomer composite articles
Assignee: EIDP Inc
•
Filing: 1965-04-28
•
Granted: 1968-12-24
•
Expires: 1985-04-28
Abstract
No abstract record available.
Inventors
- 👤 Bowman John Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:57
CPC Classifications
B; B32; B32B; B32B25/00; B32B25/04; B32B37/00; B32B2037/0092; B32B2319/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31511; Y10T428/3154; Y10T428/31652; Y10T428/31667
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3124548A
Cited
US2580546A
Cited
US2597976A
Cited
US2868575A
Cited
US2809130A
Cited
US3315380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |