Patent US3462283A successfully refreshed from Google Patents.
US3462283A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Monofunctionally substituted hydrophobic starch and film-forming dispersions prepared therefrom
Assignee: Penock & Ford Ltd
•
Filing: 1967-02-28
•
Granted: 1969-08-19
•
Expires: 1987-02-28
Abstract
No abstract record available.
Inventors
- 👤 Erling T Hiermstad
- 👤 Larry C Martin
- 👤 Kenneth W Kirby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:55
CPC Classifications
D; D21; D21H; D21H19/00; D21H19/36; D21H19/44; D21H19/54; C; C03; C03C; C03C25/00; C03C25/10; C03C25/24; C03C25/26; C03C25/32; C03C25/321; C08; C08B; C08B31/00; C08B31/08; C08B31/10
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-18 | 1973-02-17 | 1973-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-18 | 1977-02-17 | 1977-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-18 | 1981-02-17 | 1981-08-19 | $7700.00 | Window Closed / Lapsed |