US2416906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Charge forming device
Assignee: Niles Bement Pond Co
•
Filing: 1943-02-04
•
Granted: 1947-03-04
•
Expires: 1963-02-04
Abstract
No abstract record available.
Inventors
- 👤 Milton E Chandler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 19:16
CPC Classifications
F; F02; F02M; F02M69/00; F02M71/00; F02M2700/00; F02M2700/13; F02M2700/1317; F02M2700/1347; F02M2700/43; F02M2700/4397; Y; Y10; Y10S; Y10S261/00; Y10S261/02; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2514; Y10T137/2521
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1909469A
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US2002483A
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US2165447A
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FR846774A
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US2281411A
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US2224472A
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US2264347A
Cited
GB523895A
Cited
US2330650A
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US2316300A
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 |