Patent US4037270A successfully refreshed from Google Patents.
Patent US3485833A successfully refreshed from Google Patents.
US3485833A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-substituted isocyanurates
Assignee: Individual
•
Filing: 1969-03-05
•
Granted: 1969-12-23
•
Expires: 1989-03-05
Abstract
No abstract record available.
Inventors
- 👤 Alexander Sadle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:49
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/42; C08G18/46; C08G18/4615; C08G18/4638; C08G18/4661; C08G63/00; C08G63/68; C08G63/685; C08G63/6854; C08G69/00; C08G69/02; C08G69/26
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
DE812312C
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-22 | 1973-06-23 | 1973-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-22 | 1977-06-23 | 1977-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-22 | 1981-06-23 | 1981-12-23 | $7700.00 | Window Closed / Lapsed |