US2518601A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Silo apparatus
Assignee: Individual
•
Filing: 1947-07-01
•
Granted: 1950-08-15
•
Expires: 1967-07-01
Abstract
No abstract record available.
Inventors
- 👤 Cordis Nat
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:23
CPC Classifications
A; A01; A01F; A01F25/00; A01F25/16; A01F25/20; A01F25/2009
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE110384C
Cited
US1740250A
Cited
US1233308A
Cited
US1479990A
Cited
US1550311A
Cited
US2277879A
Cited
US2445056A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |