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US3471386A
Expired / Lapsed
US
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Highly radiation-sensitive telomerized polyamides
Assignee: PPG Industries Inc
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Filing: 1966-05-18
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Granted: 1969-10-07
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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 13:36
CPC Classifications
C; C08; C08F; C08F20/00; C08F20/02; C08F20/10; C08F20/34; C08G; C08G69/00; C08G69/48; C08L; C08L77/00
Claims Analysis
Total Claims: 0
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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) | 1972-10-06 | 1973-04-07 | 1973-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-10-06 | 1977-04-07 | 1977-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-10-06 | 1981-04-07 | 1981-10-07 | $7700.00 | Window Closed / Lapsed |