Patent US2869926A successfully refreshed from Google Patents.
US2869926A
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Device for dissolving and mixing soluble solid fertilizers in flowing water
Assignee: Individual
•
Filing: 1956-12-26
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Granted: 1959-01-20
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Expires: 1976-12-26
Abstract
No abstract record available.
Inventors
- 👤 Lundquist Bror Axel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:18
CPC Classifications
G; G05; G05D; G05D11/00; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; B; B01; B01F; B01F21/00; B01F21/20; B01F21/22; B01F21/221; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3112
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |