Patent US3480598A successfully refreshed from Google Patents.
US3480598A
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US
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Organic polymeric materials
Assignee: Imperial Chemical Industries Ltd
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Filing: 1968-10-16
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Granted: 1969-11-25
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Expires: 1988-10-16
Abstract
No abstract record available.
Inventors
- 👤 Eric Nield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:56
CPC Classifications
C; C08; C08F; C08F220/00; C08F220/02; C08F220/10; C08F220/12; C08F220/14; C08F212/00; C08F212/02; C08F212/04; C08F212/06; C08F212/12; C08F222/00; C08F222/04; C08F222/06; C08F222/08; C08F222/36; C08F222/40; C08F222/408
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2974125A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |