US2352168A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of promoting mold growth
Assignee: NAT AGROL Co Inc
•
Filing: 1940-10-07
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Granted: 1944-06-27
•
Expires: 1960-10-07
Abstract
No abstract record available.
Inventors
- 👤 Leo M Christensen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:57
CPC Classifications
C; C12; C12N; C12N1/00; C12N1/14; Y; Y10; Y10S; Y10S435/00; Y10S435/80; Y10S435/8215; Y10S435/911; Y10S435/913; Y10S435/918
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) | 1947-06-27 | 1947-12-27 | 1948-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-06-27 | 1951-12-27 | 1952-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-06-27 | 1955-12-27 | 1956-06-27 | $7700.00 | Window Closed / Lapsed |