US2390848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rodenticide
Assignee: National Aeronautics and Space Administration
•
Filing: 1943-12-31
•
Granted: 1945-12-11
•
Expires: 1963-12-31
Abstract
No abstract record available.
Inventors
- 👤 Curt P Richter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:39
CPC Classifications
A; A01; A01N; A01N25/00; A01N25/30; A01N47/00; A01N47/08; A01N47/28; A01N47/30
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-12-10 | 1949-06-11 | 1949-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-12-10 | 1953-06-11 | 1953-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-12-10 | 1957-06-11 | 1957-12-11 | $7700.00 | Window Closed / Lapsed |