US3497542A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Perchlorinated aromatic polyisocyanates preparation
Assignee: Olin Corp
•
Filing: 1965-07-27
•
Granted: 1970-02-24
•
Expires: 1985-07-27
Abstract
No abstract record available.
Inventors
- 👤 Strong K Gardner
- 👤 Ehrenfried H Kober
- 👤 Wilhelm J Schnabel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:20
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/70; C08G18/72; C08G18/77; C08G18/773; C07; C07C; C07C263/00; C07C263/16; C07C265/00; C07C265/14
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) | 1973-02-23 | 1973-08-25 | 1974-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-23 | 1977-08-25 | 1978-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-23 | 1981-08-25 | 1982-02-24 | $7700.00 | Window Closed / Lapsed |