Patent US2224450A successfully refreshed from Google Patents.
US2224450A
Expired / Lapsed
US
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Low velocity nozzle
Assignee: Individual
•
Filing: 1938-10-31
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Granted: 1940-12-10
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Expires: 1958-10-31
Abstract
No abstract record available.
Inventors
- 👤 Philip F Scofield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:39
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/26; B05B1/262; B05B1/265; B05B1/14; B05B1/1421; B05B1/1423; B05B1/1422
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-12-10 | 1944-06-10 | 1944-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-12-10 | 1948-06-10 | 1948-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-12-10 | 1952-06-10 | 1952-12-10 | $7700.00 | Window Closed / Lapsed |