US2431936A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid carbonator
Assignee: Individual
•
Filing: 1945-02-26
•
Granted: 1947-12-02
•
Expires: 1965-02-26
Abstract
No abstract record available.
Inventors
- 👤 James L Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:30
CPC Classifications
B; B01; B01F; B01F33/00; B01F33/80; B01F33/81; B01F23/00; B01F23/20; B01F23/23; B01F23/236; B01F23/2362; Y; Y10; Y10S; Y10S261/00; Y10S261/07; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2567; Y10T137/2569; Y10T137/265; Y10T137/2668; Y10T137/268; Y10T137/7287; Y10T137/7358; Y10T137/7381; Y10T137/7387; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US855243A
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US1029740A
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US1434574A
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US2059104A
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US2314984A
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US2300694A
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US2391043A
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US2408799A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-01 | 1951-06-02 | 1951-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-01 | 1955-06-02 | 1955-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-01 | 1959-06-02 | 1959-12-02 | $7700.00 | Window Closed / Lapsed |