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US3496133A
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US
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Process for preparing filled polymeric structures
Assignee: EIDP Inc
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Filing: 1965-05-10
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Granted: 1970-02-17
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Frank Edward Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 08:22
CPC Classifications
D; D01; D01D; D01D1/00; D01D1/06; D01D1/065; C; C08; C08J; C08J3/00; C08J3/20; C08J3/22; C08J3/226; C08L; C08L69/00; D01F; D01F6/00; D01F6/88; D01F6/92
Claims Analysis
Total Claims: 0
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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) | 1973-02-16 | 1973-08-18 | 1974-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-02-16 | 1977-08-18 | 1978-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-02-16 | 1981-08-18 | 1982-02-17 | $7700.00 | Window Closed / Lapsed |