US2601672A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer dissolving and spraying device
Assignee: Individual
•
Filing: 1949-08-20
•
Granted: 1952-06-24
•
Expires: 1969-08-20
Abstract
No abstract record available.
Inventors
- 👤 Francis L Gatchet
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 03:28
CPC Classifications
A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/316
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1848708A
Cited
US1769266A
Cited
US1737377A
Cited
US2131796A
Cited
US2215000A
Cited
US2235278A
Cited
US2293390A
Cited
US2286828A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-24 | 1955-12-24 | 1956-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-24 | 1959-12-24 | 1960-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-24 | 1963-12-24 | 1964-06-24 | $7700.00 | Window Closed / Lapsed |