US2393293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Destruction of algae
Assignee: Armour and Co
•
Filing: 1940-10-28
•
Granted: 1946-01-22
•
Expires: 1960-10-28
Abstract
No abstract record available.
Inventors
- 👤 Hoyt M Corley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:55
CPC Classifications
A; A01; A01N; A01N33/00; A01N33/02; A01N33/04; C; C02; C02F; C02F1/00; C02F1/50
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-21 | 1949-07-23 | 1950-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-21 | 1953-07-23 | 1954-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-21 | 1957-07-23 | 1958-01-22 | $7700.00 | Window Closed / Lapsed |