Patent US2550451A successfully refreshed from Google Patents.
US2550451A
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US
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Enclosed fog head
Assignee: FOG NOZZLE Co
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Filing: 1946-05-24
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Granted: 1951-04-24
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Expires: 1966-05-24
Abstract
No abstract record available.
Inventors
- 👤 Thompson W Burnam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:11
CPC Classifications
B; B05; B05B; B05B1/00; B05B1/30; B05B1/32; B05B1/323; B05B15/00; B05B15/70; B05B15/72; B05B15/74; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7781; Y10T137/7832; Y10T137/7837; Y10T137/7859; Y10T137/8593; Y10T137/87917; Y10T137/88054
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) | 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 |