US2798767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fertilizer dissolver
Assignee: A M ANDREWS Co
•
Filing: 1954-10-28
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Granted: 1957-07-09
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Expires: 1974-10-28
Abstract
No abstract record available.
Inventors
- 👤 Alvadore M Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:15
CPC Classifications
B; B01; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/316; A; A01; A01C; A01C23/00; A01C23/04; A01C23/042; Y; Y10; Y10T; Y10T137/00; Y10T137/4891; Y10T137/794; Y10T137/8122; Y10T137/8593; Y10T137/87571; Y10T137/87676
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US461235A
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US811749A
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US996588A
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US1930500A
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US2621156A
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US2601672A
Cited
US2606068A
Cited
US2682428A
Cited
US2646973A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-08 | 1961-01-07 | 1961-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-08 | 1965-01-07 | 1965-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-08 | 1969-01-07 | 1969-07-09 | $7700.00 | Window Closed / Lapsed |