Patent US2595977A successfully refreshed from Google Patents.
US2595977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilizing wool against shrinkage
Assignee: EIDP Inc
•
Filing: 1949-08-02
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Granted: 1952-05-06
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Expires: 1969-08-02
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 20:37
CPC Classifications
D; D02; D02G; D02G3/00; D02G3/02; D02G3/04; D10; D10B; D10B2211/00; D10B2211/01; D10B2211/02; D10B2321/00; D10B2321/10; Y; Y10; Y10S; Y10S8/00; Y10S8/21; Y10T; Y10T428/00; Y10T428/29; Y10T428/2904
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
30 words
A BLEND OF FIBERS COMPRISING WOOL FIBERS AND FROM 15% TO 40% BY WEIGHT OF SAID BLEND OF STAPLE FIBERS PREPARED FROM AN ACRYLONITRILE POLYMER CONTAINING AT LEAST 85% ACRYLONITRILE.
Claim 2
Dependent Claim
30 words
A BLEND OF FIBERS COMPRISING WOOL FIBERS AND FROM 15% TO 40% BY WEIGHT OF SAID BLEND OF STAPLE FIBERS PREPARED FROM AN ACRYLONITRILE POLYMER CONTAINING AT LEAST 85% ACRYLONITRILE.
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) | 1955-05-06 | 1955-11-05 | 1956-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-05-06 | 1959-11-05 | 1960-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-05-06 | 1963-11-05 | 1964-05-06 | $7700.00 | Window Closed / Lapsed |