US3480601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polymer compounds with 2-(1-aziridinyl) alkyl acrylates and methacrylates
Assignee: Dow Chemical Co
•
Filing: 1967-10-30
•
Granted: 1969-11-25
•
Expires: 1987-10-30
Abstract
No abstract record available.
Inventors
- 👤 Theodore L Ashby
- 👤 Donald B Parrish
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:01
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/34; D; D06; D06M; D06M15/00; D06M15/19; D06M15/21; D06M15/263; D06M15/267
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |