US2670265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process
Assignee: —
•
Filing: —
•
Granted: 1954-02-23
•
Expires: 1971-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:58
CPC Classifications
D; D06; D06P; D06P1/00; D06P1/38; D06P3/00; D06P3/58; D06P3/60; D06P3/66; C; C09; C09B; C09B62/00; C09B62/44; C09B62/4401; C09B62/4403; C09B62/4411; C09B62/503; C09B62/507; C09B62/513; D06P3/34; D06P3/52; D06P3/54; D06P3/666; Y; Y10; Y10S; Y10S8/00; Y10S8/02; Y10S8/21
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
PROCESS FOR FIXING WATER-SOLUBLE ORGANIC COMPOUNDS IN THE FORM OF WATER-INSOLUBLE DERIVATIVES THEREOF ON MATERIALS OF FIBROUS STRUCTURE WHICH COMPRISES APPLYING TO THE MATERIAL A WATER-SOLUBLE COMPOUND CORRESPONDING IN THE FREE FORM TO THE GENERAL FORMULA
Claim 2
Dependent Claim
36 words
PROCESS FOR FIXING WATER-SOLUBLE ORGANIC COMPOUNDS IN THE FORM OF WATER-INSOLUBLE DERIVATIVES THEREOF ON MATERIALS OF FIBROUS STRUCTURE WHICH COMPRISES APPLYING TO THE MATERIAL A WATER-SOLUBLE COMPOUND CORRESPONDING IN THE FREE FORM TO THE GENERAL FORMULA
References Cited (Backward Citations)
US1483084A
Cited
US2424493A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |