US2416685A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomizer
Assignee: Babcock and Wilcox Co
•
Filing: 1941-03-01
•
Granted: 1947-03-04
•
Expires: 1961-03-01
Abstract
No abstract record available.
Inventors
- 👤 Fletcher James
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:37
CPC Classifications
F; F23; F23D; F23D11/00; F23D11/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR636590A
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USRE20027E
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US759320A
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US1051908A
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US1076708A
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US1102352A
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US1180907A
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US1452264A
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US1725381A
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US1969954A
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US1901415A
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US1904509A
Cited
GB415274A
Cited
US1996159A
Cited
US2223055A
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US2345402A
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US2349221A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-03 | 1950-09-02 | 1951-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-03 | 1954-09-02 | 1955-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-03 | 1958-09-02 | 1959-03-04 | $7700.00 | Window Closed / Lapsed |