Patent US4959067A successfully refreshed from Google Patents.
US3499962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Encapsulation of water insoluble materials
Assignee: Indopco Inc
•
Filing: 1967-08-24
•
Granted: 1970-03-10
•
Expires: 1987-08-24
Abstract
No abstract record available.
Inventors
- 👤 Otto B Wurzburg
- 👤 Paolo C Trubiano
- 👤 William Herbst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:09
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/11; A23; A23P; A23P10/00; A23P10/30; A61K31/00; A61K31/59; A61K8/18; A61K8/72; A61K8/73; A61K8/732; A61K9/00; A61K9/14; A61K9/16; A61K9/1605; A61K9/1629; A61K9/1652; A61Q; A61Q13/00; B; B65; B65B; B65B25/00; B65B25/001; C; C08; C08B; C08B33/00; C08B33/02; A61K2800/00; A61K2800/40; A61K2800/41; A61K2800/412; Y; Y10; Y10T; Y10T428/00; Y10T428/29; Y10T428/2982; Y10T428/2984; Y10T428/2989
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2661349A
Cited
US2613206A
Cited
US3128209A
Cited
US3067067A
Cited
US3202731A
Cited
US3117014A
Cited
US3091567A
Cited
US3159585A
Cited
US3222220A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |