Patent US2550573A successfully refreshed from Google Patents.
US2550573A
Expired / Lapsed
US
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Whirler spray nozzle with overhanging lip
Assignee: BUENSOD STACEY Inc
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Filing: 1946-10-05
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Granted: 1951-04-24
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Expires: 1966-10-05
Abstract
No abstract record available.
Inventors
- 👤 Lyman Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:48
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/34; B05B1/3405; B05B1/341; B05B1/3421; B05B1/3426; F; F24; F24F; F24F6/00; F24F6/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US26088A
Cited
GB190724870A
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US1078433A
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US1504000A
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US1625042A
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US1714850A
Cited
US1826776A
Cited
US1961408A
Cited
US1964255A
Cited
US1931792A
Cited
US2247897A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-23 | 1954-10-23 | 1955-04-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-23 | 1958-10-23 | 1959-04-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-23 | 1962-10-23 | 1963-04-24 | $7700.00 | Window Closed / Lapsed |