US3073724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for preparing improved sizing agents from cereal flours
Assignee: Individual
•
Filing: 1961-05-05
•
Granted: 1963-01-15
•
Expires: 1981-05-05
Abstract
No abstract record available.
Inventors
- 👤 John C Rankin
- 👤 Charles R Russell
- 👤 Sr John H Samalik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:46
CPC Classifications
C; C08; C08B; C08B30/00; C08B30/12; C08B30/18; C08B30/20; C08B31/00; D; D06; D06M; D06M15/00; D06M15/01; D06M15/03; D06M15/11
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2818357A
Cited
US2833759A
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 |