Patent US2580385A successfully refreshed from Google Patents.
US2580385A
Expired / Lapsed
US
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Spray nozzle with cleaning means
Assignee: Combustion Engineering Inc
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Filing: 1948-09-01
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Granted: 1952-01-01
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Expires: 1968-09-01
Abstract
No abstract record available.
Inventors
- 👤 Frank W Hochmuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:17
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3421; B05B1/3431; B05B1/3447; B05B15/00; B05B15/50; B05B15/52
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US469108A
Cited
US748608A
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US836931A
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US1060164A
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US1381734A
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US1442356A
Cited
US1493795A
Cited
GB501371A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-12-31 | 1955-07-02 | 1956-01-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-12-31 | 1959-07-02 | 1960-01-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-12-31 | 1963-07-02 | 1964-01-01 | $7700.00 | Window Closed / Lapsed |