US2791407A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water agitating circulator
Assignee: JACK DANCIGER
•
Filing: 1954-07-07
•
Granted: 1957-05-07
•
Expires: 1974-07-07
Abstract
No abstract record available.
Inventors
- 👤 Harrison Taylor Harry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:32
CPC Classifications
F; F24; F24D; F24D3/00; F24D3/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US219239A
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US619811A
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US1374445A
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GB360171A
Cited
US2078065A
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US2319402A
Cited
US2577095A
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US2588507A
Cited
US2526842A
Cited
US2691489A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-05-06 | 1960-11-05 | 1961-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-06 | 1964-11-05 | 1965-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-06 | 1968-11-05 | 1969-05-07 | $7700.00 | Window Closed / Lapsed |