US3518230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imide modified amide imide wire enamel
Assignee: SI Group Inc
•
Filing: 1968-01-04
•
Granted: 1970-06-30
•
Expires: 1988-01-04
Abstract
No abstract record available.
Inventors
- 👤 Howard E Sheffer
- 👤 Gerald C Zielinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:03
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/34; C08G18/343; C08G18/346; C08G18/38; C08G18/3819; C08G18/3821; C08G73/00; C08G73/06; C08G73/10; C08G73/14
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) | 1973-06-29 | 1973-12-29 | 1974-06-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-06-29 | 1977-12-29 | 1978-06-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-06-29 | 1981-12-29 | 1982-06-30 | $7700.00 | Window Closed / Lapsed |