US3424607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atactic polyolefin release agents
Assignee: De Kalb Industries Inc
•
Filing: 1964-06-15
•
Granted: 1969-01-28
•
Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Salvatore G Coscia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:29
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/38; B28B7/384
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2098536A
Cited
US2627938A
Cited
US2639313A
Cited
US2851330A
Cited
US2923041A
Cited
US3258340A
Cited
US3079218A
Cited
US3012016A
Cited
US2998401A
Cited
US3060145A
Cited
US3297609A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-01-28 | 1972-07-29 | 1973-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-01-28 | 1976-07-29 | 1977-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-01-28 | 1980-07-29 | 1981-01-28 | $7700.00 | Window Closed / Lapsed |