Patent US2803499A successfully refreshed from Google Patents.
US2803499A
Expired / Lapsed
US
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Spray nozzle and method of cleaning same
Assignee: Lodding Engineering Corp
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Filing: 1955-08-19
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Granted: 1957-08-20
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Expires: 1975-08-19
Abstract
No abstract record available.
Inventors
- 👤 Francis H Goyette
- 👤 John E Grenier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:35
CPC Classifications
D; D21; D21F; D21F1/00; D21F1/32; B; B05; B05B; B05B15/00; B05B15/50; B05B15/52; B05B15/522; B05B15/5223; B05B15/5225; B05B15/525; B05B15/60; B05B15/65; B05B15/658
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |