Patent US5871443A successfully refreshed from Google Patents.
US3470079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Highly radiation-sensitive telomerized polyamides
Assignee: PPG Industries Inc
•
Filing: 1966-05-18
•
Granted: 1969-09-30
•
Expires: 1986-05-18
Abstract
No abstract record available.
Inventors
- 👤 Gaetano F D Alelio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:20
CPC Classifications
C; C08; C08F; C08F290/00; C08F290/02; C08F290/06; C08F290/065; C08G; C08G69/00; C08G69/48; Y; Y10; Y10S; Y10S522/00; Y10S522/911
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2251946A
Cited
US2333923A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |