US2988286A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for maintaining solids in suspension and for maintaining accurate proportions of treating solutions and for applying the same
Assignee: Snyder
•
Filing: 1956-12-27
•
Granted: 1961-06-13
•
Expires: 1976-12-27
Abstract
No abstract record available.
Inventors
- 👤 Snyder Clifford Hutchison
- 👤 Thompson Max Dail
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:15
CPC Classifications
A; A01; A01M; A01M7/00; A01M7/005; A01C; A01C23/00; A01C23/04; A01C23/047; A01M7/0089
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2857202A
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US2810606A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-12 | 1964-12-12 | 1965-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-12 | 1968-12-12 | 1969-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-12 | 1972-12-12 | 1973-06-13 | $7700.00 | Window Closed / Lapsed |