US2949700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of carotenoids by the cultivation of algae
Assignee: Grain Processing Corp
•
Filing: 1958-07-21
•
Granted: 1960-08-23
•
Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Henry R Kathrein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:22
CPC Classifications
A; A01; A01G; A01G33/00; A23; A23K; A23K20/00; A23K20/10; A23K20/179; A23L; A23L5/00; A23L5/40; A23L5/42; A23L5/46; C; C12; C12P; C12P23/00; Y; Y02; Y02A; Y02A40/00; Y02A40/80; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/946
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2498480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |