US2298561A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bacteria culture and production thereof
Assignee: ALBERT DICKINSON Co
•
Filing: 1940-01-24
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Granted: 1942-10-13
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Expires: 1960-01-24
Abstract
No abstract record available.
Inventors
- 👤 Adolph A Hendrickson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:17
CPC Classifications
C; C12; C12M; C12M41/00; C12M41/12; C12M29/00; C12M29/06; C12M41/18; C12M41/24; Y; Y10; Y10S; Y10S435/00; Y10S435/8215; Y10S435/822; Y10S435/878
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) | 1945-10-12 | 1946-04-13 | 1946-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-10-12 | 1950-04-13 | 1950-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-10-12 | 1954-04-13 | 1954-10-13 | $7700.00 | Window Closed / Lapsed |