US3481133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixed shrinkage yarn
Assignee: EIDP Inc
•
Filing: 1968-12-11
•
Granted: 1969-12-02
•
Expires: 1988-12-11
Abstract
No abstract record available.
Inventors
- 👤 Robert H Knospe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:11
CPC Classifications
C; C08; C08G; C08G69/00; C08G69/02; C08G69/26; D; D02; D02G; D02G1/00; D02G1/18; D02G3/00; D02G3/22; D02G3/26; D02G3/30; Y; Y10; Y10S; Y10S57/00; Y10S57/908; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2973
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3225534A
Cited
US3200576A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-01 | 1973-06-02 | 1973-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-01 | 1977-06-02 | 1977-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-01 | 1981-06-02 | 1981-12-02 | $7700.00 | Window Closed / Lapsed |