Patent US2583725A successfully refreshed from Google Patents.
US2583725A
Expired / Lapsed
US
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Agitating device for liquid containing tanks
Assignee: Individual
•
Filing: 1948-08-09
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Granted: 1952-01-29
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Expires: 1968-08-09
Abstract
No abstract record available.
Inventors
- 👤 David S Brown
- 👤 Charles F Hawes
- 👤 Ralph E Stork
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:25
CPC Classifications
A; A01; A01J; A01J9/00; Y; Y10; Y10T; Y10T137/00; Y10T137/5762; Y10T137/7722; Y10T137/7781; Y10T137/7832
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US115605A
Cited
US214009A
Cited
US969257A
Cited
US950825A
Cited
US1201395A
Cited
US1370531A
Cited
US2225437A
Cited
US2301203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-01-28 | 1955-07-30 | 1956-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-28 | 1959-07-30 | 1960-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-28 | 1963-07-30 | 1964-01-29 | $7700.00 | Window Closed / Lapsed |