US3073003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for treating viscose rayon yarn
Assignee: Akzona Inc
•
Filing: 1960-03-23
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Granted: 1963-01-15
•
Expires: 1980-03-23
Abstract
No abstract record available.
Inventors
- 👤 Fritzmeier Harke
- 👤 Leijser Hendrikus Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:37
CPC Classifications
D; D02; D02J; D02J1/00; D02J1/22; D02J1/229; D01; D01F; D01F2/00; D01F2/06; D02J1/225; D02J1/226; D02J1/228
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
34 words
A PROCESS FOR AFTERTREATING VISCOSE RAYON YARN COMPRISING THE STEPS OF: (A) CONDITIONING THE YARN IN PACKAGE FORM TO A SUBSTANTIALLY UNIFORM MOISTURE CONTENT SELECTED FROM THE RANGE OF ABOUT 12% TO ABOUT 14%,
Claim 2
Dependent Claim
34 words
A PROCESS FOR AFTERTREATING VISCOSE RAYON YARN COMPRISING THE STEPS OF: (A) CONDITIONING THE YARN IN PACKAGE FORM TO A SUBSTANTIALLY UNIFORM MOISTURE CONTENT SELECTED FROM THE RANGE OF ABOUT 12% TO ABOUT 14%,
References Cited (Backward Citations)
US2218504A
Cited
US2847750A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-14 | 1966-07-16 | 1967-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-14 | 1970-07-16 | 1971-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-14 | 1974-07-16 | 1975-01-15 | $7700.00 | Window Closed / Lapsed |