Patent US2544121A successfully refreshed from Google Patents.
US2544121A
Expired / Lapsed
US
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Hose coiling device
Assignee: Dayton Pump and Manufacturing Co
•
Filing: 1948-08-02
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Granted: 1951-03-06
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Expires: 1968-08-02
Abstract
No abstract record available.
Inventors
- 👤 Wolfe H Hix
- 👤 Howard E Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 20:15
CPC Classifications
F; F16; F16L; F16L3/00; F16L3/01; F16L3/015; Y; Y10; Y10T; Y10T137/00; Y10T137/6851; Y10T137/6918; Y10T137/6954
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US790971A
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US805579A
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US865355A
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GB252652A
Cited
US2032753A
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US2322966A
Cited
US2327475A
Cited
US2251340A
Cited
US2277864A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-03-05 | 1954-09-04 | 1955-03-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-03-05 | 1958-09-04 | 1959-03-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-03-05 | 1962-09-04 | 1963-03-06 | $7700.00 | Window Closed / Lapsed |