US2965518A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for sizing
Assignee: Unilever Bestfoods North America
•
Filing: 1958-10-08
•
Granted: 1960-12-20
•
Expires: 1978-10-08
Abstract
No abstract record available.
Inventors
- 👤 Meisel Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:57
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31971; Y10T428/31975; Y10T428/31978; Y10T442/00; Y10T442/20; Y10T442/2402
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 words
PROCESS OF SIZING CELLULOSIC SUBSTANCES WHICH COMPRISES CONTACTING SAID SUBSTANCES WITH AN AQUEOUS SLURRY OF A CATIONIC STARCH IMINO DISUBSTITUTED CARBAMATE REPRESENTED BY THE FORMULA
Claim 2
Dependent Claim
25 words
PROCESS OF SIZING CELLULOSIC SUBSTANCES WHICH COMPRISES CONTACTING SAID SUBSTANCES WITH AN AQUEOUS SLURRY OF A CATIONIC STARCH IMINO DISUBSTITUTED CARBAMATE REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US2813093A
Cited
US2876217A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-20 | 1964-06-20 | 1964-12-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-20 | 1968-06-20 | 1968-12-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-20 | 1972-06-20 | 1972-12-20 | $7700.00 | Window Closed / Lapsed |