Patent US5507823A successfully refreshed from Google Patents.
US3418200A
Expired / Lapsed
US
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Splittable composite filament
Assignee: EIDP Inc
•
Filing: 1964-11-27
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Granted: 1968-12-24
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Expires: 1984-11-27
Abstract
No abstract record available.
Inventors
- 👤 Tanner David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:17
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/28; D01D5/30; D01D5/34; D01D5/253; Y; Y10; Y10S; Y10S264/00; Y10S264/47; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2929
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2531234A
Cited
US2945739A
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US2987797A
Cited
US3017686A
Cited
US3117906A
Cited
GB963320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-12-24 | 1972-06-24 | 1972-12-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-12-24 | 1976-06-24 | 1976-12-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-12-24 | 1980-06-24 | 1980-12-24 | $7700.00 | Window Closed / Lapsed |