US2834093A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Regenerated cellulose filaments and products therefrom
Assignee: EIDP Inc
•
Filing: 1954-05-21
•
Granted: 1958-05-13
•
Expires: 1974-05-21
Abstract
No abstract record available.
Inventors
- 👤 Woodell Rudolph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:12
CPC Classifications
D; D01; D01F; D01F2/00; D01F2/06; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2913; Y10T428/2922; Y10T428/2973; Y10T428/2978; Y10T442/00; Y10T442/30; Y10T442/3065; Y10T442/3976
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
26 words
A REGENERATED CELLULOSE FILAMENT HAVING A ROUGH SURFACE COMPRISING WAVE-LIKE IRREGULARITIES OF THE ORDER OF 200 TO 700 PER INCH ALONG THE LENGTH OF THE FILAMENT.
Claim 2
Dependent Claim
26 words
A REGENERATED CELLULOSE FILAMENT HAVING A ROUGH SURFACE COMPRISING WAVE-LIKE IRREGULARITIES OF THE ORDER OF 200 TO 700 PER INCH ALONG THE LENGTH OF THE FILAMENT.
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US2674025A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-05-12 | 1961-11-11 | 1962-05-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-05-12 | 1965-11-11 | 1966-05-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-05-12 | 1969-11-11 | 1970-05-13 | $7700.00 | Window Closed / Lapsed |