Patent US2923440A successfully refreshed from Google Patents.
US2923440A
Expired / Lapsed
US
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Apparatus for agitating and spraying liquids
Assignee: Individual
•
Filing: 1955-03-18
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Granted: 1960-02-02
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Expires: 1975-03-18
Abstract
No abstract record available.
Inventors
- 👤 Horn David M Ve
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:46
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/40; B01F33/403; A; A01; A01M; A01M7/00; A01M7/0025; A01M7/0032; A01M7/0042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1194358A
Cited
US1509222A
Cited
US1437331A
Cited
US1764545A
Cited
US2347267A
Cited
US2720342A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |