US3000853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermoplastic compositions having improved light stability
Assignee: Dow Chemical Co
•
Filing: 1956-12-24
•
Granted: 1961-09-19
•
Expires: 1976-12-24
Abstract
No abstract record available.
Inventors
- 👤 Carl B Havens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/04; C08K5/13; C08K5/136
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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |